钢牌号及化学成分
钢的牌号和化学成分标准
钢的牌号和化学成分标准成品标准一、钢的牌号和化学成分标准(一)普通碳素结构钢成分标准(GB/T 700-2006)牌号 等级 厚度(或直径)/mm脱氧方法 化学成分(质量分数)/%,不大于 C Si Mn P S Q195 — — F 、Z 0.120.300.50 0.035 0.040 Q195K A — F 、Z 0.06-0.12 0.12-0.22 0.25-0.55 0.030 0.035 B — F 、Z 0.06-0.12 0.12-0.22 0.25-0.55 0.030 0.030 Q215A —F 、Z 0.15 0.351.200.045 0.050 B 0.045 Q235A—F 、Z0.22 0.351.400.0450.050 B 0.20b 0.045 C Z 0.17 0.040 0.040 D TZ 0.035 0.035 Q275A— F 、Z 0.24 0.351.500.0450.050 B ≤40 Z 0.21 0.045 0.045 >40 0.22 C —Z 0.200.040 0.040 DTZ0.0350.035b经需方同意,Q235B 的碳含量可不大于0.22%冷轧用铝镇静钢Q195L 成分标准(企业标准或内控)标准化学成分%备注 C Si MnP ≤ S ≤ 国标≤0.08≤0.070.25~0.500.0300.030镀锌用 ≤0.08≤0.10 0.25~0.50 0.030 0.030 非镀锌用 内控 0.05-0.08 0.05-0.07 0.35-0.45 0.030 0.030 目标值0.060.060.400.0300.030(二)优质碳素结构钢成分标准(GB/T699-1999) 1、 20#钢成分标准(液相线温度1515℃)钢种 标准化学成分% CSi MnP ≤ S ≤ 20#GB/T699-1999 0.17~0.23 0.17~0.37 0.35~0.650.035 0.035 内控 0.17~0.21 0.17~0.27 0. 50~0.600.0300.030 目标值 0.18 0.25 0.550.0300.0302、 45#钢成分标准(液相线温度1493℃)3、 08Al 化学成分标准[GB/T699-1999]元素 C Si Mn P SALs标准 ≤0.08 ≤0.03 ≤0.40 ≤0.020 ≤0.030 0.015-0.065 内控0.06≤0.03 0.3-0.35 ≤0.020 ≤0.020 0.025-0.040 目标值 0.060.030.300.0150.0150.030附:优质钢等级组别质量等级 PS不大于%优质钢 0.035 0.035 高级优质钢 0.030 0.030 特级优质钢0.0250.020 (三)低合金高强度结构钢Q345B 技术标准1、 低合金高强度结构钢Q345B 标准(GB/T 1591-2008)%牌号 C Si Mn p S Q345B≤0.20≤0.50≤1.70≤0.035≤0.035钢种 标准化学成分%CSi Mn P 、S ≤ Cr ≤ Ni ≤ Cu ≤ 45#GB/T699-19990.42~0.50 0.17~0.37 0.50~0.80 0.035 0.25 0.30 0.25 内控 0.42~0.48 0.17~0.27 0. 50~0.60 0.030 0.25 0.30 0.25 目标值0.460.250.550.0300.250.300.25型材P、S含量可提高0.005%。
钢牌号及化学成分16.7.4
一、结构钢牌号及化学成分1、普通碳素结构钢牌号及化学成分:CSiMnPSQ1950.06~0.120.12~0.300.25~0.50≤0.045≤0.050Q215A 0.09~0.150.12~0.300.25~0.55≤0.045≤0.050Q315B 0.09~0.150.12~0.300.25~0.55≤0.045≤0.045Q235A 0.14~0.220.12~0.300.30~0.65≤0.045≤0.050Q235B 0.12~0.200.12~0.300.30~0.70≤0.045≤0.045Q235C ≤0.180.12~0.300.35~0.80≤0.040≤0.040Q235D ≤0.170.12~0.300.35~0.80≤0.030≤0.030Q255A 0.18~0.280.12~0.300.40~0.70≤0.045≤0.050Q255B 0.18~0.280.12~0.300.40~0.70≤0.045≤0.045Q2750.28~0.380.15~0.350.5~0.80≤0.045≤0.050CSiMnP S Cr GB/T69908F 0.05~0.11≤0.030.25~0.500.0350.0350.1GB/T69910F 0.07~0.13≤0.070.25~0.500.0350.0350.15GB/T69915F 0.12~0.18≤0.070.25~0.500.0350.0350.25GB/T69980.05~0.110.17~0.370.35~0.650.0350.0350.1GB/T699100.07~0.130.17~0.370.35~0.650.0350.0350.15GB/T699150.12~0.180.17~0.370.35~0.650.0350.0350.25GB/T699200.17~0.230.17~0.370.35~0.650.0350.0350.25GB/T699250.22~0.290.17~0.370.50~0.800.0350.0350.25GB/T699300.27~0.340.17~0.370.50~0.800.0350.0350.25GB/T699350.32~0.390.17~0.370.50~0.800.0350.0350.25GB/T699400.37~0.440.17~0.370.50~0.800.0350.0350.252、优质碳素结构钢牌号及化学成分:钢牌号及化学成分执行标准牌号化学成分(%)执行标准牌号化学成分(%)GB700-1988GB/T699450.42~0.500.17~0.370.50~0.800.0350.0350.25GB/T699500.47~0.550.17~0.370.50~0.800.0350.0350.25GB/T699550.52~0.600.17~0.370.50~0.800.0350.0350.25GB/T699600.57~0.650.17~0.370.50~0.800.0350.0350.25GB/T699650.62~0.700.17~0.370.50~0.800.0350.0350.25GB/T699700.67~0.750.17~0.370.50~0.800.0350.0350.25GB/T699750.72~0.800.17~0.370.50~0.800.0350.0350.25GB/T699800.77~0.850.17~0.370.50~0.800.0350.0350.25GB/T699850.82~0.900.17~0.370.50~0.800.0350.035GB/T699Mn150.12~0.180.17~0.370.70~1.000.0350.035GB/T699Mn200.17~0.230.17~0.370.70~1.000.0350.035GB/T699Mn250.22~0.290.17~0.370.70~1.000.0350.0350.25GB/T699Mn300.27~0.340.17~0.370.70~1.000.0350.0350.25GB/T699Mn350.32~0.390.17~0.370.70~1.000.0350.0350.25GB/T699Mn400.37~0.440.17~0.370.70~1.000.0350.0350.25GB/T699Mn450.42~0.500.17~0.370.70~1.000.0350.0350.25GB/T699Mn500.48~0.560.17~0.370.70~1.000.0350.0350.25GB/T699Mn600.57~0.650.17~0.370.70~1.000.0350.0350.25GB/T699Mn650.62~0.700.17~0.370.90~1.200.0350.0350.25GB/T699Mn700.67~0.750.17~0.370.90~1.200.0350.0350.25C Si P S Cr≤GB/T1591Q295A 0.160.80~1.500.550.0450.045GB/T1591Q395B 0.160.80~1.500.550.040.04GB/T1591Q345A 0.20.10~1.600.550.0450.045GB/T1591Q345B 0.20.10~1.600.550.040.04GB/T1591Q345C 0.20.10~1.600.550.0350.035GB/T1591Q345D0.180.10~1.600.550.030.033、低合金高度结构钢号及化学成分:执行标准牌号化学成分(%)Mn ≤GB/T1591Q345E 0.180.10~1.600.550.0250.025GB/T1591Q345A 0.20.10~1.600.550.0450.0450.3GB/T1591Q390B 0.20.10~1.600.550.040.040.3GB/T1591Q390C 0.20.10~1.600.550.0350.0350.3GB/T1591Q390D 0.20.10~1.600.550.030.030.3GB/T1591Q390E 0.20.10~1.600.550.0250.0250.3GB/T1591Q420A 0.2 1.00~1.700.550.0450.045GB/T1591Q420B 0.2 1.00~1.700.550.040.04GB/T1591Q420C 0.2 1.00~1.700.550.0350.035GB/T1591Q420D 0.18 1.00~1.700.550.030.030.4GB/T1591Q420E 0.18 1.00~1.700.550.0250.0250.4GB/T1591Q460C 0.2 1.00~1.700.550.0350.0350.7GB/T1591Q460D 0.2 1.00~1.700.550.030.030.7GB/T1591Q460E 0.2 1.00~1.700.550.030.030.7(1)、锰合金机构钢牌号及化学成分:P S CrGB/T307720Mn20.17~0.240.17~0.37 1.40~1.800.0350.0350.3GB/T307730Mn20.27~0.340.17~0.37 1.40~1.800.0350.0350.3GB/T307735Mn20.32~0.390.17~0.37 1.40~1.800.0350.0350.3GB/T307740Mn20.37~0.440.17~0.37 1.40~1.800.0350.0350.3GB/T307745Mn20.42~0.490.17~0.37 1.40~1.800.0350.0350.3GB/T307750Mn20.47~0.550.17~0.37 1.40~1.800.0350.0350.3(2)、锰钒合金结构钢牌号及化学成分:GB/T1591Q345B 0.20.10~1.600.550.040.04GB/T1591Q345C 0.20.10~1.600.550.0350.035GB/T1591Q345D 0.180.10~1.600.550.030.03GB/T1591Q345E 0.180.10~1.600.550.0250.0254、合金机构钢牌号及化学成分执行标准牌号化学成分(%)C Si Mn ≤GB/T1591Q345A 0.20.10~1.600.550.0450.0450.3GB/T1591Q390B 0.20.10~1.600.550.040.040.3GB/T1591Q390C 0.20.10~1.600.550.0350.0350.3GB/T1591Q390D 0.20.10~1.600.550.030.030.3GB/T1591Q390E 0.20.10~1.600.550.0250.0250.3GB/T1591Q420A 0.2 1.00~1.700.550.0450.045GB/T1591Q420B 0.2 1.00~1.700.550.040.04GB/T1591Q420C 0.2 1.00~1.700.550.0350.035GB/T1591Q420D 0.18 1.00~1.700.550.030.030.4GB/T1591Q420E 0.18 1.00~1.700.550.0250.0250.4GB/T1591Q460C 0.2 1.00~1.700.550.0350.0350.7GB/T1591Q460D 0.2 1.00~1.700.550.030.030.7GB/T1591Q460E 0.2 1.00~1.700.550.030.030.7P S Cr GB/T307720Mn20.17~0.240.17~0.37 1.40~1.800.0350.0350.3GB/T307730Mn20.27~0.340.17~0.37 1.40~1.800.0350.0350.3GB/T307735Mn20.32~0.390.17~0.37 1.40~1.800.0350.0350.3GB/T307740Mn20.37~0.440.17~0.37 1.40~1.800.0350.0350.3GB/T307745Mn20.42~0.490.17~0.37 1.40~1.800.0350.0350.3GB/T307750Mn20.47~0.550.17~0.371.40~1.800.0350.0350.3Mn P SCr ≤GB/T307720MnV 1.70~0.24 1.70~0.371.30~1.600.0350.0350.34、合金机构钢牌号及化学成分执行标准牌号化学成分(%)(1)、锰合金机构钢牌号及化学成分:≤Mn Si C 执行标准牌号化学成分(%)CSi (3)、硅锰合金结构钢牌号及化学成分(2)、锰钒合金结构钢牌号及化学成分:PSGB/T307727SiMn 0.24~0.32 1.10~1.40 1.10~1.400.0350.035GB/T307735SiMn 0.32~0.40 1.10~1.40 1.10~1.400.0350.035GB/T307742SiMn 0.39~0.45 1.10~1.401.10~1.400.0350.035MnP SCr ≤GB/T307720SiMn2MoV 0.17~0.230.90~1.20 2.20~2.600.0350.0350.3GB/T307825SiMn3MoV 0.22~0.280.90~1.20 2.20~2.600.0350.0350.3Mn P S Cr≤GB/T307740B 0.37~0.440.17~0.370.60~0.900.0350.0350.3GB/T307745B 0.42~0.490.17~0.370.60~0.900.0350.0350.3GB/T307750B 0.47~0.550.17~0.370.60~0.900.0350.0350.3Mn P S Cr≤GB/T307740MnB 0.37~0.440.17~0.37 1.10~1.400.0350.0350.3GB/T307745MnB 0.42~0.490.17~0.37 1.10~1.400.0350.0350.3Mn P S Cr≤执行标准牌号化学成分(%)C Si Mn ≤(4)、硅锰钼矾合金结构钢牌号及化学成分执行标准牌号化学成分(%)CSiGB/T3078 37SiMn3MoV 0.33~0.39 0.90~1.20 1.60~1.90 0.035 0.035 0.3 0.3 0.3 0.40~0.50 0.05~0.12(5)、硼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C Si(6)、锰硼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C Si(7)、锰钼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C SiGB/T307720MnMoB 0.16~0.220.17~0.370.60~0.900.0350.0350.3Mn P S Cr ≤GB/T307715MnVB 0.12~0.180.17~0.37 1.20~1.600.0350.0350.3GB/T307720MnVB 0.17~0.230.17~0.37 1.10~1.400.0350.0350.3GB/T307740MnVB 0.37~0.440.17~0.371.30~1.500.0350.0350.3Mn P S Cr ≤GB/T307720MnTiB 0.17~0.240.17~0.37 1.30~1.500.0350.0350.3GB/T307725MnTiBRE 0.22~0.280.20~0.451.30~1.600.0350.0350.3P SGB/T307715Cr 0.12~0.180.17~0.370.40~0.700.70~1.000.0350.035GB/T307715CrA 0.12~0.170.17~0.370.40~0.700.70~1.000.0250.025GB/T307720Cr 0.18~0.240.17~0.370.50~0.800.70~1.000.0350.035GB/T307730Cr 0.27~0.340.17~0.370.50~0.800.80~1.100.0350.035GB/T307735Cr 0.32~0.390.17~0.370.50~0.800.80~1.100.0350.035GB/T307740Cr 0.37~0.440.17~0.370.50~0.800.80~1.100.0350.035GB/T307745Cr 0.42~0.490.17~0.370.50~0.800.80~1.100.0350.035GB/T307750Cr 0.47~0.540.17~0.370.50~0.700.80~1.100.0350.035P(8)、锰矾硼合金机构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr (9)、锰钛合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Si Mn Cr Mo(10)、钼铬金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi ≤(11)、铬硅合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CGB/T307712CrMo 0.80~0.120.17~0.370.40~0.700.40~0.700.40~0.550.035GB/T307715CrMo 0.12~0.180.17~0.370.40~0.700.80~1.100.40~0.550.035GB/T307720CrMo 0.17~0.240.17~0.370.40~0.700.80~1.100.15~0.250.035GB/T307730CrMo 0.26~0.340.17~0.370.40~0.700.80~1.100.15~0.250.035GB/T307730CrMoA 0.26~0.330.17~0.370.40~0.700.80~1.100.15~0.250.025GB/T307735CrMo 0.32~0.400.17~0.370.40~0.700.80~1.100.15~0.250.035GB/T307742CrMo 0.38~0.450.17~0.370.50~0.800.90~1.200.15~0.250.035P S GB/T307742CrSi 0.35~0.43 1.00~1.300.30~0.601.30~1.600.0350.035P GB/T307712CrMoV 0.08~0.150.17~0.370.40~0.700.30~0.600.25~0.350.035GB/T307735CrMoV 0.30~0.380.17~0.370.40~0.70 1.00~1.300.20~0.300.035GB/T307712Cr1MoV 0.08~0.150.17~0.370.40~0.700.90~1.200.25~0.350.035GB/T307725Cr2MoVA 0.22~0.290.17~0.370.40~0.70 1.50~1.800.25~0.350.025GB/T307725Cr2Mo1VA 0.22~0.290.17~0.370.50~0.802.10~2.500.90~1.100.025P GB/T307738CrMoVA10.35~0.420.20~0.450.30~0.601.35~1.650.15~0.250.035PSSi Mn Cr ≤Mn Cr Mo (12)、铬钼合金结构钢号及化学成分:执行标准牌号化学成分(%)CMn Cr Mo (13)、铬钼矾合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr(14)、铬钼铝合金结构钢号及化学成分:执行标准牌号化学成分(%)CSi (15)、铬矾合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi ≤GB/T307740CrV 0.37~0.440.17~0.370.50~0.800.80~1.100.0350.035GB/T307750CrVA 0.47~0.540.17~0.370.50~0.800.80~1.100.0250.025P SGB/T307715CrMn 0.12~0.180.17~0.37 1.10~1.400.40~0.700.0350.035GB/T307720CrMn 0.17~0.230.17~0.370.90~1.200.90~1.200.0250.025GB/T307742CrMn 0.37~0.450.17~0.370.90~1.200.90~1.200.0350.035P SGB/T307720CrMnSi 0.17~0.230.90~1.200.80~1.100.80~1.100.0350.035GB/T307725CrMnSi 0.22~0.280.90~1.200.80~1.100.80~1.100.0350.035GB/T307730CrMnSi 0.27~0.340.90~1.200.80~1.100.80~1.100.0350.035GB/T307731CrMnSiA 0.28~0.340.90~1.200.80~1.100.80~1.100.0250.025GB/T307732CrMnSiA 0.32~0.39 1.10~1.400.80~1.101.10~1.400.0250.025P GB/T307720CrMoNo 0.17~0.230.17~0.370.90~1.20 1.10~1.400.20~0.300.035GB/T307740CrMoNo 0.37~0.440.17~0.370.90~1.200.90~1.200.20~0.300.035P GB/T307720CrNi 0.17~0.230.17~0.370.40~0.700.45~0.75 1.00~1.400.035GB/T307740CrNi0.37~0.440.17~0.370.50~0.800.45~0.751.00~1.400.035Si Mn Cr CSi Mn Cr (16)、铬锰合金结构钢号及化学成分:执行标准牌号化学成分(%)C≤(18)、铬锰钼合金结构钢牌号及化学成分:≤(17)、铬锰硅合金结构钢号及化学成分:执行标准牌号化学成分(%)执行标准牌号化学成分(%)CSi Mn Cr Mo (19)、铬镍合金结构钢号及化学成分:执行标准牌号化学成分(%)C Si Mn Cr NiGB/T307745CrNi 0.42~0.490.17~0.370.50~0.800.45~0.75 1.00~1.400.035GB/T307750CrNi 0.47~0.540.17~0.370.50~0.800.45~0.75 1.00~1.400.035GB/T307712CrNi20.10~0.170.17~0.370.30~0.600.60~0.90 1.50~1.900.035GB/T307712CrNi30.10~0.170.17~0.370.30~0.600.60~0.90 2.75~3.150.035GB/T307720CrNi30.17~0.240.17~0.370.30~0.600.60~0.90 2.75~3.150.035GB/T307730CrNi30.27~0.330.17~0.370.30~0.600.60~0.90 2.75~3.150.035GB/T307737CrNi30.34~0.410.17~0.370.30~0.60 1.20~1.60 3.00~3.500.035GB/T307712CrNi40.10~0.160.17~0.370.30~0.60 1.25~1.65 3.25~3.650.035GB/T307720CrNi40.17~0.230.17~0.370.30~0.60 1.25~1.65 3.25~3.650.035P GB/T307720CrMnTi 0.17~0.230.17~0.370.80~1.10 1.00~1.300.04~0.100.035GB/T307730CrMnTi 0.24~0.320.17~0.370.80~1.101.00~1.300.04~0.100.035GB/T307720CrNiMo 0.17~0.230.17~0.370.60~0.950.40~0.700.35~0.750.20~0.30GB/T307721CrNiMoA 0.37~0.440.17~0.370.50~0.800.60~0.901.25~1.650.15~0.25GB/T307718CrNiMnMoA 0.15~0.210.17~0.371.10~1.401.00~1.301.00~1.300.20~0.30(20)、铬锰钛合金结构钢号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr Ti (21)、铬镍钼合金结构钢号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr Ni Mo (22)、铬镍锰钼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr Ni Mo (23)、铬镍钼矾合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSiNiMoMnCrGB/T307718CrNiMoVA 0.42~0.480.17~0.370.50~0.800.80~1.10 1.30~1.800.20~0.30GB/T307718Cr2Ni4WA 0.13~0.190.17~0.370.30~0.60 1.35~1.65 4.00~4.500.80~1.20GB/T307725Cr2Ni4WA 0.21~0.280.17~0.370.30~0.601.35~1.654.00~4.500.80~1.20GB/T521645H 0.42~0.500.17~0.370.50~0.85≤0.25≤0.30GB/T521615CrH 0.12~0.180.17~0.370.55~0.900.85~1.25≤0.30GB/T521620CrH 0.17~0.230.17~0.370.50~0.850.70~1.10≤0.30GB/T521620CrLH 0.17~0.230.17~0.370.55~0.900.85~1.25≤0.30GB/T521640CrH 0.37~0.440.17~0.370.50~0.850.70~1.10≤0.30GB/T521620CrH 0.42~0.490.17~0.370.50~0.850.70~1.10≤0.30GB/T521616CrMnH 0.14~0.19≤0.37 1.00~1.300.80~1.10≤0.30GB/T521620CrMnH 0.17~0.22≤0.37 1.10~1.40 1.00~1.30≤0.30GB/T521615CrMnBh 0.13~0.180.17~0.37 1.00~1.300.80~1.10≤0.30GB/T521617CrMnBh 0.15~0.200.17~0.37 1.00~1.30 1.00~1.35≤0.30GB/T521640MnBH 0.37~0.440.17~0.37 1.00~1.40≤0.30≤0.30GB/T521645MnBH 0.42~0.490.17~0.37 1.00~1.40≤0.30≤0.30GB/T521620MnVBH 0.17~0.230.17~0.37 1.05~1.45≤0.30≤0.30V=0.07~0.12GB/T521620MnTiBH 0.17~0.230.17~0.37 1.20~1.55≤0.30≤0.30Ti=0.04~0.10GB/T521615CrMoH 0.12~0.180.17~0.370.55~0.900.85~1.25≤0.30Mo=0.15~0.25GB/T521620CrMoH 0.17~0.230.17~0.37 1.10~1.480.85~1.25≤0.30Mo=0.15~0.25GB/T521622CrMoH 0.19~0.250.17~0.37 1.10~1.490.85~1.25≤0.30Mo=0.35~0.45GB/T521644CrMoH 0.37~0.440.17~0.37 1.10~1.500.85~1.25≤0.30Mo=0.15~0.25GB/T521620CrMnMoH0.17~0.230.17~0.371.10~1.511.05~1.40≤0.30Mo=0.20~0.30Mn Cr Ni W Si Mn Cr Ni (24)、铬镍钨合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mo、Ti、V5、保证淬透性结构钢(H钢)牌号及化学成分:执行标准牌号化学成分(%)CGB/T521620CrMnTiH 0.17~0.230.17~0.37 1.10~1.52 1.00~1.35≤0.30Ti=0.04~0.10GB/T521647CrNi3H 0.17~0.230.17~0.37 1.10~1.530.60~0.95 2.70~3.25GB/T521647Cr2Ni4H 0.10~0.170.17~0.37 1.10~1.54 1.20~1.75 3.20~3.75GB/T521620CrNiMoH 0.17~0.230.17~0.37 1.10~1.550.35~0.650.35~0.75Mo=0.15~0.25GB/T521620CrNi2MoH0.17~0.230.17~0.37 1.10~1.560.35~0.65 1.55~2.00Mo=0.20~0.306、易切削结构钢牌号及化学成分:C SiMn PSPbGB/T8731Y120.08~0.160.15~0.350.70~1.000.08~0.150.10~0.20GB/T8731Y12Pb 0.08~0.16≤0.150.70~1.000.05~0.100.15~0.250.15~0.35GB/T8731Y150.10~0.18≤0.150.80~1.200.05~0.100.23~0.33GB/T8731Y15pb 0.10~0.19≤0.150.80~1.200.05~0.100.23~0.330.15~0.35GB/T8731Y200.17~0.250.15~0.350.70~1.00≤0.0600.08~0.15GB/T8731Y300.27~0.350.15~0.350.70~1.00≤0.0600.08~0.15GB/T8731Y350.32~0.400.15~0.350.70~1.00≤0.0600.08~0.15GB/T8731Y40Mn 0.37~0.450.15~0.35 1.20~1.55≤0.0500.20~0.30GB/T8731Y45Ca 0.42~0.500.20~0.400.60~0.90≤0.900.04~0.08Ca=0.15~0.357、冷墩和冷压用钢牌号及化学成分:(1)、非热处理型冷墩和冷挤压用钢牌号及化学成分:Si P SCu ≤GB/T6478ML04ML ≤0.060.10.20~0.400.0350.0350.20GB/T6478ML08AL 0.05~0.100.10.30~0.600.0350.0350.20GB/T6478ML10AL 0.08~0.130.10.30~0.600.0350.0350.20GB/T6478ML15AL 0.13~0.180.10.30~0.600.0350.0350.20GB/T6478ML15AL 0.13~0.180.15~0.350.30~0.600.0350.0350.20GB/T6478ML20AL 0.18~0.230.10.30~0.600.0350.0350.20GB/T6478ML200.18~0.230.15~0.350.30~0.600.0350.0350.20(2)、表面硬化型冷墩和冷挤压用钢牌号及化学成分:执行标准牌号化学成分(%)执行标准牌号化学成分(%)CMn≤Si P SCu ≤GB/T6478ML18Mn 0.15~0.200.10.60~0.900.0350.0350.20GB/T6478ML22Mn 0.18~0.230.10.70~1.000.0350.0350.20GB/T6478ML20Cr 0.17~0.230.30.60~0.900.0350.0350.20(3)、调质型冷镦和冷挤压用钢牌号及化学成分:GB/T6478ML250.22~0.29≤0.200.30~0.60≤0.20GB/T6478ML300.27~0.34≤0.200.30~0.60≤0.20GB/T6478ML350.32~0.39≤0.200.30~0.60≤0.20GB/T6478ML400.37~0.44≤0.200.30~0.60≤0.20GB/T6478ML450.42~0.50≤0.200.30~0.60≤0.20GB/T6478ML15Mn 0.14~0.200.20~0.400.20~0.40≤0.20GB/T6478ML25Mn 0.22~0.29≤0.250.60~0.90≤0.20GB/T6478ML30Mn 0.27~0.34≤0.250.60~0.90≤0.20GB/T6478ML35Mn 0.32~0.39≤0.250.60~0.90≤0.20GB/T6478ML37Cr 0.34~0.41≤0.300.60~0.900.90~1.20GB/T6478ML40Cr 0.38~0.45≤0.300.60~0.900.90~1.20GB/T6478ML30CrMo 0.26~0.34≤0.300.60~0.900.15~0.250.80~1.10GB/T6478ML35CrMo 0.32~0.40≤0.300.60~0.900.15~0.250.80~1.10GB/T6478ML42CrMo 0.38~0.45≤0.300.60~0.900.15~0.250.90~1.20GB/T6478ML20B 0.17~0.24≤0.400.50~0.800.0005~0.0035≤0.20GB/T6478ML28B 0.25~0.32≤0.400.60~0.900.0005~0.0035≤0.20GB/T6478ML35B 0.32~0.39≤0.400.50~0.800.0005~0.0035≤0.20GB/T6478ML15MnB 0.14~0.20≤0.40 1.20~1.600.0005~0.0035≤0.20GB/T6478ML20MnB 0.17~0.24≤0.400.80~1.200.0005~0.0035≤0.20GB/T6478ML35MnB0.32~0.39≤0.401.10~1.400.0005~0.0035≤0.20执行标准牌号化学成分(%)CMn≤执行标准牌号化学成分(%)CSiMnMo.Ti.VBCrGB/T6478ML37CrB 0.34~0.41≤0.400.50~0.800.0005~0.00350.20~0.40GB/T6478ML20MnTiB 0.19~0.24≤0.30 1.30~1.600.04~0.100.0005~0.0035≤0.20GB/T6478ML15VMnB 0.13~0.18≤0.30 1.20~1.600.07~0.120.0005~0.0035≤0.20GB/T6478ML20VMnB 0.19~0.24≤0.30 1.20~1.600.07~0.120.0005~0.0035≤0.208、高耐侯结构钢牌号及化学成分表:化学成分(%)C Si Mn PS Cr≤≤GB/T4171Q295GNH 0.25~0.500.20~0.400.20~0.600.07~0.150.035GB/T4171Q295GNHL 0.120.10~0.400.20~0.500.07~0.120.0350.30~0.65GB/T4171Q345GNH 0.120.20~0.600.50~0.900.07~0.120.035GB/T4171Q345GNHL 0.120.25~0.750.20~0.500.07~0.120.0350.30~1.25GB/T4171Q390GH 0.120.15~0.65≤1.40≤0.0350.0350.45~0.759、焊接结构用耐钢牌号及化学成分类:CSiMnP S Cr GB/T4172Q235NH ≤0.150.15~0.400.20~0.600.0350.0350.40~0.80GB/T4172Q295NH ≤0.150.15~0.50 1.00~1.600.0350.0350.40~0.80GB/T4172Q355NH ≤0.16≤0.500.90~1.000.0350.0350.40~0.80GB/T4172Q460NH0.10~0.18≤0.500.90~1.000.0350.0350.40~0.80PS CrGB/T122265钢0.62~0.700.17~0.370.50~0.800.0350.0350.25GB/T122270钢0.62~0.750.17~0.370.50~0.800.0350.0350.25GB/T122285钢0.82~0.900.17~0.370.50~0.800.0350.0350.25GB/T122265Mn0.62~0.700.17~0.370.90~1.20.0350.0350.25(2)、合金弹簧钢牌号及化学成分:Si Mn≤执行标准牌号执行标准牌号化学成分(%)10、弹簧钢牌号及化学成分表:(1)、优质碳素弹簧钢号及化学成分表:执行标准牌号化学成分(%)CGB/T122255Si2Mn 0.52~0.60 1.50~2.000.60~0.90≤0.35GB/T122255si2MnB 0.52~0.60 1.50~2.000.60~0.900.0005~0.004≤0.35GB/T122255siMnVB 0.52~0.600.70~1.00 1.00~1.300.08~0.100.0005~0.0035≤0.35GB/T122260si2Mn 0.56~0.64 1.50~2.000.60~0.90≤0.35GB/T122260si2MnA 0.56~0.64 1.60~2.000.60~0.90≤0.30GB/T122260si2CrA 0.56~0.64 1.40~1.800.40~0.600.70~1.00GB/T122260si2CrVA 0.56~0.64 1.40~1.800.40~0.600.10~0.200.90~1.20GB/T122255CrMnA 0.50~0.600.17~0.370.65~0.950.65~0.95GB/T122260CrMnA 0.56~0.640.17~0.370.70~1.000.70~1.00GB/T122260CrMnMoA 0.56~0.640.17~0.370.70~1.000.25~0.350.70~0.90GB/T122250CrVA 0.46~0.640.17~0.370.50~0.800.10~0.200.80~1.10GB/T122260CrMnBA 0.56~0.640.17~0.370.70~1.000.0005~0.0040.70~1.00GB/T122230W4Cr2VA 0.26~0.340.17~0.37≤0.400.50~0.804.00~4.50 2.00~2.5011、高碳铬轴承钢牌号及化学成分表:GB/T18254GCr40.95~1.050.15~0.300.15~0.30≤0.080.35~0.500.025GB/T18255GCrl50.95~1.050.15~0.350.25~0.45≤0.10 1.40~1.500.025GB/T18256GCrl5SiMn 0.95~1.050.45~0.750.95~1.25≤0.10 1.40~1.650.025GB/T18257GCrl5SiMn 0.95~1.050.65~0.850.20~0.400.30~0.40 1.40~1.700.027GB/T18258GCrl8Mo 0.95~1.050.20~0.400.25~0.400.15~0.251.65~1.950.025二、不绣钢、耐热钢牌号及化学成分:1、不绣钢牌号及化学成分:(1)、奥氏体不绣钢牌号及化学成分:VW、Mo、BCrMo Cr P 执行标准牌号化学成分(%)CSi Mn执行标准牌号化学成分(%)C Si Mn执行标准牌号CSiMn P SGB/T12201Cr17Mn6Ni5N 0.1515.50~0.060.0316.00~18.007.5GB/T12201Cr18Mn8Ni5N 0.15 1.007.50~10.000.060.0317.00~19.00GB/T12201Cr18Mn10Ni5Mo30.1 1.008.50~12.000.060.0317.00~19.00GB/T12201Cr17Ni70.15 1.00 2.000.0350.0316.00~18.00GB/T12201Ce18Ni90.15 1.00 2.000.0350.0317.00~19.00GB/T1220Y1Cr18Ni90.15 1.00 2.000.2 ≥0.1517.00~19.00GB/T1220Y1Cr18Ni9Se 0.15 1.00 2.000.20.0617.00~19.00GB/T12200Cr18Ni90.07 1.00 2.000.0350.0317.00~19.00GB/T122000Cr19Ni100.03 1.00 2.000.0350.0318.00~20.00GB/T12200Cr19Ni9N 0.08 1.00 2.000.0350.03518.00~20.00GB/T12200Cr19Ni10NbN 0.08 1.00 2.000.0350.0318.00~20.00GB/T122000Cr18Ni10N 0.03 1.00 2.000.0350.0317.00~29.00GB/T12201Cr18Ni120.12 1.00 2.000.0350.0317.00~19.00GB/T12200Cr23Ni130.08 1.00 2.000.0350.0322.00~24.00GB/T12200Cr25Ni200.08 1.00 2.000.0350.0324.00~26.00GB/T12200Cr17Ni12Mo20.08 1.00 2.000.0350.0316.00~18.50GB/T12201Cr17Ni12Mo2Ti 0.12 1.00 2.000.0350.0316.00~19.00GB/T12200Cr17Ni12Mo2Ti 0.08 1.00 2.000.0350.0316.00~19.00GB/T122000Cr17Ni14Mo20.03 1.00 2.000.0350.0316.00~18.00GB/T12200Cr17Ni12Mo2N 0.08 1.00 2.000.0350.0316.00~18.00GB/T12200Cr17Ni13Mo2N 0.03 1.00 2.000.0350.0316.00~18.00GB/T12200Cr18Ci12Mo2Cu20.08 1.00 2.000.0350.0317.00~19.00GB/T122000Crl8Ni4Mo2Cu20.03 1.00 2.000.0350.0317.00~19.00GB/T12200Cr19Ni13Mo30.08 1.00 2.000.0350.0318.00~20.00GB/T122000Cr19Ni13Mo30.03 1.00 2.000.0350.0318.00~20.00GB/T12201Crl8Nil2Mo3Ti 0.12 1.00 2.000.0350.0316.00~19.00GB/T12200Cr18Ni12Mo3Ti0.081.002.000.0350.0316.00~19.00≤执行标准牌号CrGB/T12200Cr18Ni12Mo50.04 1.00 2.000.0350.0316.00~19.00GB/T12201Crl8Ni9Ti 0.12 1.00 2.000.0350.0317.00~19.00GB/T12200Cr18Ni10Ti 0.08 1.00 2.000.0350.0317.00~19.00GB/T12200Crl8NillNb 0.08 1.00 2.000.0350.0317.00~19.00GB/T12200Crl8Ni9Cu30.08 1.00 2.000.0350.0317.00~19.00GB/T12200Crl8Ni13Si40.08 3.00~5.00 2.000.0350.0315.00~20.00(2)、奥氏体——铁素体不锈钢牌号及化学成分:CSi MnP S GB/T12200Cr26NiMo20.08 1.00 1.500.0350.0323.00~28.00GB/T12201Cr18NillSi4AlTi 0.10~0.18 3.40~4.000.800.0350.0317.50~19.50GB/T122000Cr18Ni5Mo3Si20.03 2.00 1.00~2.000.0350.0318.00~19.00(3)铁素体不锈钢牌号及化学成分:C Si Mn P S GB/T12200Cr13AL 0.08 1.00 1.000.0350.0311.50~14.50GB/T122000Cr120.03 1.00 1.000.0350.0311.00~13.00GB/T12201Cr170.120.75 1.000.0350.0316.00~18.00GB/T1220Y1Cr170.12 1.00 1.250.06≥0.1516.00~18.00GB/T12201Cr17Mo 0.12 1.00 1.000.0350.0316.00~18.00GB/T122000Cr30Mo20.100.400.400.030.0228.50~32.00GB/T122000Cr27Mo0.100.400.400.030.0225.00~27.50(4)、马氏体不锈钢钢牌号及化学成分:执行标准牌号CSi Mn P S GB/T1220GB/T12201Cr120.150.5 1.000.0350.0311.50~13.00GB/T12201Cr130.151.001.000.0350.0311.50~13.50执行标准牌号化学成分(%)Cr≤≤执行标准牌号化学成分(%)Cr 化学成分(%)CrGB/T12200Cr130.08 1.00 1.000.0350.0311.50~13.50GB/T1220Y1Cr130.15 1.00 1.250.06≥0.1512.00~14.00GB/T12201Cr13Mo 0.08~0.180.6 1.000.0350.0311.50~14.00GB/T12202Cr130.16~0.25 1.00 1.000.0350.0312.00~14.00GB/T12203Cr130.26~0.35 1.00 1.000.0350.0312.00~14.00GB/T1220Y3Cr130.26~0.40 1.00 1.250.06≥0.1512.00~14.00GB/T12203Cr13Mo 0.28~0.350.8 1.000.0350.0312.00~14.00GB/T12204Cr130.36~0.450.60.800.0350.03≤0.60GB/T12201Cr17Ni20.11~0.170.80.800.0350.03 1.50~2.50GB/T12207Cr170.60~0.75 1.00 1.000.0350.03≤0.60GB/T12208Cr170.75~0.95 1.00 1.000.0350.03≤0.60GB/T12209Cr180.90~1.000.8 1.250.0350.03≤0.60GB/T122011Cr170.95~1.20 1.00 1.000.0350.03≤0.60GB/T1220Y11Cr170.95~1.20 1.00 1.000.035≥0.15≤0.60GB/T12209Cr18Mo 0.95~1.100.80.80.0350.03≤0.60GB/T12209Cr18MoV 0.85~0.950.80.80.0350.04≤0.60(4)沉淀硬化型不锈钢牌号及化学成分:CSiMn PS GB/T12200Cr17Ni4Cu4nb 0.07 1.00 1.000.0350.0315.50~17.50GB/T12200Cr17Ni7Al 0.09 1.00 1.000.0350.0316.00~18.00GB/T12200Cr15Ni7Mo2Al 0.091.001.000.0350.0314.00~16.002、耐热钢牌号及化学成分:(1)、奥氏体不绣钢牌号及化学成分:P SGB/T12215Cr21Mn9Ni4N 0.48~0.580.358.00~1.000.040.03020.00~22.00GB/T12212Cr21Ni12N0.15~0.280.75~1.251.00~1.600.0350.03020.00~22.00Si Mn 执行标准牌号化学成分(%)Cr≤Cr ≤执行标准牌号化学成分(%)CGB/T12212Cr23Ni12N 0.20 1.00 2.000.0350.03022.00~24.00GB/T12212Cr25Ni200.25 1.50 2.000.0350.03024.00~26.00GB/T12211Cr16Ni350.15 1.50 2.000.0350.03014.00~17.00GB/T12210Cr15Ni25Ti2MoAlVB 0.08 1.00 2.000.0350.03013.50~16.00GB/T12210r18Ni90.07 1.00 2.000.0350.03017.00~19.00GB/T12210Cr23Ni130.08 1.00 2.000.0350.03022.00~24.00GB/T12210Cr25Ni200.08 1.50 2.000.0350.03024.00~26.00GB/T12210Cr17Ni12Mo20.08 1.00 2.000.0350.03016.00~18.00GB/T12214Cr14Ni14W2mo 0.40~0.500.80.70.0350.03013.00~15.00GB/T12213Cr18Mn12Si2N 0.22~0.30 1.40~2.2010.50~12.500.060.03017.00~19.00GB/T12212Cr20Mn19Ni2SiN 0.17~0.26 1.80~2.708.50~11.000.060.03018.00~21.00GB/T12210Cr19Ni13Mo30.08 1.00 2.000.0350.03018.00~20.00GB/T12211Cr18Ni9Ti 0.12 1.00 2.000.0350.03017.00~19.00GB/T12210Cr18Ni10Ti 0.08 1.00 2.000.0350.03017.00~19.00GB/T12210Cr18Ni11Nb 0.08 1.00 2.000.0350.03017.00~19.00GB/T12210Cr18Ni13Si40.08 3.00~5.00 2.000.0350.03015.00~20.00GB/T12211Cr20Ni14Si20.20 1.50~2.50 1.500.0350.03019.00~22.001Cr25Ni20Si20.201.50~2.50 1.500.0350.03024.00~27.00C Si Mn P S N GB/T12212Cr25N 0.2 1.00 1.50.040.030.25GB/T12210Cr120.08 1.00 1.000.040.03GB/T122100Cr120.03 1.00 1.000.040.03GB/T12211Cr170.120.75 1.000.040.03C Si Mn PS(2)、铁素体型耐热钢牌号及化学成分:执行标准牌号化学成分(%)(3)、马氏体型耐热钢牌号及化学成分:执行标准牌号化学成分(%)CrGB/T12211Cr5Mo GB/T12214Cr9Si20.150.50.60.0350.03GB/T12214Cr10Si2Mo 0.35~0.50 2.00~3.000.70.0350.03 4.00~6.00GB/T12218Cr20Si2Ni 0.35~0.50 1.90~2.600.70.0350.038.00~10.00GB/T12211Cr11MoV 0.75~0.85 1.75~2.250.20~0.600.0350.039.00~10.50GB/T12211Cr12Mo 0.11~0.180.50.60.0350.0319.00~20.50GB/T12212Cr12MoVBbN 0.10~0.150.50.30~0.500.0350.0310.00~11.50GB/T12211Cr12WMoV 0.15~0.200.50.50~1.000.0350.0311.50~13.00GB/T12212Cr12NiMoWV 0.12~0.180.50.50~0.700.0350.0310.00~13.00GB/T12211Cr130.20~0.250.50.50~1.000.0350.0311.00~13.00GB/T12211Cr13Mo 0.15 1.00 1.000.0350.0311.00~12.00GB/T12212Cr130.08~0.180.60 1.000.0350.0311.50~13.50GB/T12211Cr17Ni120.16~0.25 1.00 1.000.0350.0312.00~14.00GB/T12211Cr11Ni2W2MoV 0.11~0.170.80.80.0350.0316.00~18.00GB/T12211Cr11Ni2W2MoV 0.10~0.160.60.60.0350.0310.50~12.00C Si Mn PS GB/T12210Cr17Ni4Cu4Nb 0.07 1.00 1.000.0350.0315.50~17.50GB/T12210Cr17Ni7Al 0.091.001.000.0350.0316.00~18.001、碳素工具钢牌号及化学成分:化学成分(%)CSi MnP S Cr≤GB/T1298T70.65~0.74≤0.35≤0.400.0350.0300.25GB/T1298T80.75~0.84≤0.35≤0.400.0350.0300.25GB/T1298T8Mn 0.80~0.90≤0.350.40~0.600.0350.0300.25GB/T1298T90.85~0.94≤0.35≤0.400.0350.0300.25≤(4)、沉淀硬化物型耐热刚号及化学成分:Cr 执行标准牌号化学成分(%)Cr ≤三、工具钢牌号及化学成分:执行标准牌号≤GB/T1298T100.95~1.04≤0.35≤0.400.0350.0300.25GB/T1298T11 1.05~1.14≤0.35≤0.400.0350.0300.25GB/T1298T12 1.15~1.24≤0.35≤0.400.0350.0300.25GB/T1298T13 1.15~1.35≤0.35≤0.400.0350.0300.25P GB/T12999SiCr 0.85~0.95 1.20~1.600.30~0.600.95~1.250.030GB/T12998MnSi 0.75~0.850.30~0.600.60~0.800.030GB/T1299Cr06 1.30~1.45≤0.40≤0.400.50~0.700.030GB/T1299Cr20.95~1.10≤0.40≤0.40 1.30~1.650.030GB/T12999Cr20.80~0.95≤0.40≤0.40 1.30~1.700.030GB/T1299W1.05~1.25≤0.40≤0.400.10~0.300.80~1.200.030GB/T12994CrW2Si 0.35~0.450.80~1.10≤0.40 1.00~1.30 2.00~2.50GB/T12995CrW2Si 0.45~0.550.50~0.80≤0.40 1.00~1.30 2.00~2.50GB/T12996CrW2Si 0.55~0.650.50~0.80≤0.40 1.00~1.30 2.20~2.70GB/T12996CrMnSi2MolV 0.50~0.65 1.75~2.250.60~1.000.10~0.500.20~1.350.15~0.35GB/T12995Cr3Mn1SiMo1V 0.45~0.550.20~1.000.20~0.903.00~1.801.30~1.80≤0.35GB/T1299Cr12 2.00~2.30≤0.40≤0.4011.50~13.00GB/T1299Cr12Mo1V11.40~1.60≤0.40≤0.6011.00~13.000.50~1.10Si Mn Cr WSi Mn Cr W.Mo 2、合金工具钢牌号及化学成分:(1)、量具刃具用钢牌号及化学成分:执行标准牌号化学成分(%)C C Si Mn Cr (2)、耐冲击工具钢牌号及化学成分:执行标准牌号化学成分(%)C WV V(3)、冷作模具钢牌号及化学成分:执行标准牌号化学成分(%)GB/T1299Cr12MoV 1.45~1.70≤0.40≤0.4011.50~13.00GB/T1299Cr5Mo1V 0.95~1.05≤0.40≤0.50 4.75~5.500.15~0.50GB/T12999Mn2V 0.85~0.95≤0.40 1.70~2.000.10~0.20GB/T1299CrWMn 0.90~1.05≤0.400.80~1.100.90~1.20 1.20~1.60GB/T12999CrWMn 0.85~0.90≤0.400.90~1.200.50~0.800.50~10.80GB/T1299Cr4W2MoV 1.12~1.250.40~0.70≤0.40 3.50~4.00 1.90~2.600.80~1.10GB/T12996Cr4W3Mo2VNb 0.60~0.70≤0.40≤0.40 3.80~4.40 2.50~3.500.80~1.20GB/T12996W6Mo5Cr4V 0.55~0.65≤0.40≤0.60 3.70~4.30 6.00~7.000.70~1.10GB/T12997CrSiMnMoV 0.65~0.750.85~1.150.65~1.050.90~1.200.15~0.30GB/T12995CrMnMo 0.50~0.600.25~0.60 1.20~1.600.60~0.90GB/T12995CrNiMo 0.50~0.60≤0.400.50~0.800.50~0.80GB/T12993Cr2W8V 0.30~0.40≤0.40≤0.60 2.20~2.707.50~9.000.20~0.50GB/T12995Cr4Mo3SiMnVAl 0.47~0.570.80~1.100.80~1.10 3.80~4.300.80~1.20GB/T12993Cr3Mo3W2V 0.32~0.420.60~0.90≤0.65 2.80~3.30 1.20~1.800.80~1.20GB/T12995Cr4W5Mo2V 0.40~0.50≤0.40≤0.60 3.40~4.40 4.50~5.300.70~1.10GB/T12998Cr30.75~0.85≤0.40≤0.60 3.20~3.80GB/T12994CrMnSiMov 0.35~0.450.80~1.100.80~1.10 1.30~1.500.20~0.40GB/T12994Cr3Mo3SiV 0.35~0.450.80~1.100.25~0.70 3.00~3.750.25~0.75GB/T12994Cr5MoSiV 0.33~0.430.80~1.200.20~0.50 4.75~5.500.30~0.60GB/T12994Cr5MoSiV10.32~0.420.80~1.200.20~0.50 4.75~5.500.80~1.20GB/T12994Cr5W2VSi 0.32~0.420.80~1.20≤0.404.75~5.501.60~2.400.60~1.00(4)、热作模具钢牌号及化学成分:(5)、无磁模具钢牌号及化学成分:执行标准牌号化学成分(%)C Si Mn Cr W Cr W VV执行标准牌号化学成分(%)C Si MnGB/T12997Mn15Cr2Al3V2WMo 0.65~0.75≤0.8014.5~16.5 2.00~2.500.50~0.80 1.50~2.00GB/T12993Cr2Mo 0.28~0.400.20~0.800.60~1.00 1.40~2.000.30~0.55≤0.25GB/T12993Cr2NiMo 0.32~0.400.20~0.400.60~0.801.70~2.000.25~0.400.85~1.153、高速工具钢牌号及化学成分:(1)、钨系工具钢牌号及化学成分:PS NiGB/T9943W18Cr4V 0.70~0.800.20~0.400.10~0.400.0300.0300.03GB/T9943W18Cr4VCo50.70~0.800.20~0.400.10~0.400.0300.0300.03GB/T9943W18Cr4V2Co80.75~0.850.20~0.400.20~0.400.0300.0300.03GB/T9943W12Cr4V5Co5 1.50~1.600.15~0.400.15~0.400.0300.0300.03(2)、钼系高速工具钢牌号及化学成分:PSNiGB/T9943W6Mo5Cr4V20.80~0.900.20~0.450.15~0.400.0300.0300.3GB/T9943CW6Mo5Cr4V20.95~1.050.20~0.450.15~0.400.0300.0300.3GB/T9943W6Mo5Cr4V3 1.00~1.100.20~0.450.15~0.400.0300.0300.3GB/T9943CW6Mo5Cr4V3 1.15~1.250.20~0.400.15~0.400.0300.0300.3GB/T9943W2Mo9Cr4V20.97~1.050.20~0.550.15~0.400.0300.0300.3GB/T9943W6Mo5Cr4V2Co50.80~0.900.20~0.450.15~0.400.0300.0300.3GB/T9943W7Mo4Cr4V2Co5 1.05~1.150.15~0.300.15~0.400.0300.0300.3GB/T9943W2Mo9Cr4VCo8 1.05~1.150.15~0.650.15~0.400.0300.0300.3GB/T9943W6Mo3Cr4V 0.77~0.870.20~0.400.15~0.400.0300.0300.3GB/T9943W6Mp5Cr4V2Al1.05~1.200.20~0.600.15~0.400.0300.0300.3(6)、高速工具钢牌号及化学成分:执行标准牌号化学成分(%)C Si Mn Cr Mo Ni 执行标准牌号化学成分(%)CSi Mn 执行标准牌号化学成分(%)C Si Mn ≤。
优质碳素结构钢的牌号和化学成分
优质碳素结构钢的牌号和化学成分
一、优质碳素结构钢:
1、35#碳素结构钢:
牌号:35#碳素结构钢
C:0.32%-0.39%
Si:≤0.20%
Mn:0.60%-0.90%
P:≤0.045%
S:≤0.045%
2、45#碳素结构钢:
牌号:45#碳素结构钢
C:0.42%-0.50%
Si:≤0.17%
Mn:0.60%-0.90%
P:≤0.035%
S:≤0.035%
3、50#碳素结构钢:
牌号:50#碳素结构钢
C:0.47%-0.55%
Si:≤0.17%
Mn:0.60%-0.90%
P:≤0.030%
S:≤0.030%
4、55#碳素结构钢:
牌号:55#碳素结构钢
C:0.52%-0.60%
Si:≤0.17%
Mn:0.60%-0.90%
P:≤0.025%
S:≤0.025%
5、60#碳素结构钢:
牌号:60#碳素结构钢
C:0.57%-0.65%
Si:≤0.17%
Mn:0.60%-0.90%
P:≤0.020%
S:≤0.020%
二、优质碳素结构钢的特点:
1、优质碳素结构钢具有良好的强度性能,强度比一般碳素结构钢更高,其强度达到400MPa以上。
2、优质碳素结构钢具有良好的塑性和韧性,材料的低温延伸率可达54%以上,抗拉伸的强韧性优于普通碳素结构钢,屈服强度和抗拉伸强度比普通碳素结构钢更高。
3、优质碳素结构钢具有优良的细位脆性,它的冷塑性更强。
各种钢管牌号及化学成分
不锈钢牌号及化学成分301不锈钢:301不锈钢牌号1Cr17Ni7 。
化学成分% C:≤0.15 ,Si :≤1.0 ,Mn :≤2.0 ,Cr :16.0~18.0 ,Ni :6.0-8.0,S :≤0.03 ,P :≤0.045304不锈钢:304不锈钢牌号:0Cr18Ni9(0Cr19Ni9);化学成分% C:≤0.07 ,Si :≤1.0 ,Mn :≤2.0 ,Cr :17.0~19.0 ,Ni :8.0~11.0,S :≤0.03 ,P :≤0.035304L不锈钢:304L不锈钢牌号:00Cr19Ni10(0Cr18Ni10),化学成分% C:≤0.07 ,Si :≤1.0 ,Mn :≤2.0 ,Cr :17.0~19.0 ,Ni :8.0~11.0,S :≤0.03 ,P :≤0.035302不锈钢:302不锈钢牌号:1Cr18Ni9.化学成分% C:≤0.15 ,Si :≤1.0 ,Mn :≤2.0 ,Cr :17-19 ,Ni :8.0-10,S :≤0.03 ,P :≤0.045303不锈钢:303不锈钢牌号:Y1Cr18Ni9.化学成分% C:≤0.15 ,Si :≤1.0 ,Mn :≤2.0 ,Cr :17-19 ,Ni :8.0-10,S :≥0.03 ,P :≤0.20,Mo≤6.0316不锈钢:316L不锈钢牌号:00Cr17Ni14Mo2。
化学成分% C:≤0.03 Si :≤1.0 Mn :≤2.0 Cr :16.0~18.0 Ni :12.0~15.0 S :≤0.03 P :≤0.045 Mo:2.0~3.0310不锈钢:化学成分% C:≤0.25 Si :≤1.5 Mn :≤2.0 Cr :24.0~26.0 Ni :19.0~22.0 S :≤0.03 P :≤0.045310S不锈钢:310S不锈钢牌号:0Cr25Ni20/1Cr25Ni20Si2。
化学成分% C:≤0.08 Si :≤1.0 Mn :≤2.0 Cr :24.0~26.0 Ni :19.0~22.0 S :≤0.03 P :≤0.045317L不锈钢:317L不锈钢牌号:0Cr19Ni13Mo3 。
不锈钢和耐热钢_牌号及化学成分
不锈钢和耐热钢_牌号及化学成分
不锈钢是一种合金钢,添加了铬等元素,能够在大气或化学介质中形成致密的氧化膜,具有耐腐蚀性,并能够抗氧化、耐磨、耐高温等特性。
常见的不锈钢牌号和化学成分如下:
1. 304不锈钢(UNS S30400):含18-20%铬,8-10.5%镍,少
量的碳、锰和氮。
2. 316不锈钢(UNS S31600):含16-18%铬,10-14%镍,2-3%钼,少量的碳、锰和氮。
3. 430不锈钢(UNS S43000):含16-18%铬,少量的碳和铁。
4. 201不锈钢(UNS S20100):含16-18%铬,3.5-
5.5%镍,
少量的碳和锰。
耐热钢是一种能够在高温环境中保持良好力学性能和抗氧化性能的钢材。
常见的耐热钢牌号和化学成分如下:
1. 310耐热钢(UNS S31000):含25-28%铬,19-22%镍,少
量的碳、锰和硅。
2. 304H耐热钢(UNS S30409):含18-20%铬,8-10.5%镍,
少量的碳、锰和氮。
3. 321耐热钢(UNS S32100):含17-19%铬,9-12%镍,少
量的碳和钛。
4. 601耐热钢(UNS N06601):含22-25%铬,61-63%镍,少量的铝、铁和硅。
以上仅为常见的不锈钢和耐热钢牌号和化学成分,具体的成分比例还可以根据不同的标准和应用需求进行调整。
低合金高强度结构钢的牌号和化学成分
低合金高强度结构钢的牌号和化学成分低合金高强度结构钢是一种具有较高强度和优良的焊接性能的钢材。
它通常用于建筑、桥梁、船舶、汽车等领域,要求钢材具有较高的强度和韧性,以满足各种工程需求。
下面将介绍几种常见的低合金高强度结构钢的牌号和化学成分。
1.Q345BQ345B是中国国家标准GB/T1591-2024中规定的低合金高强度结构钢牌号。
其化学成分如下:-碳含量(C):0.18%-硅含量(Si):0.50%-锰含量(Mn):1.70%-磷含量(P):0.03%-硫含量(S):0.03%-铁含量(Fe):余量2.ASTMA572ASTMA572是美国材料规范中规定的低合金高强度结构钢牌号。
其化学成分如下:-碳含量(C):0.23%-硅含量(Si):0.60%-锰含量(Mn):1.65%-磷含量(P):0.04%-硫含量(S):0.05%-铁含量(Fe):余量-碳含量(C):0.20%-硅含量(Si):0.55%-锰含量(Mn):1.60%-磷含量(P):0.03%-硫含量(S):0.03%-铁含量(Fe):余量除了上述常见的低合金高强度结构钢牌号外,还有许多其他牌号的低合金高强度结构钢。
不同牌号的钢材化学成分会有所差异,以满足不同应用场景的要求。
此外,钢材的生产工艺和控制也会对其机械性能产生影响。
低合金高强度结构钢的出现,为各种结构设计提供了更多的选择,可以满足不同领域对强度和韧性的要求。
它们比普通碳素钢具有更好的强度和韧性,能够减少结构中的材料消耗,并提高结构的抗震性能。
同时,低合金高强度结构钢的化学成分的合理选择和调整,可以提高钢材的焊接性能和耐腐蚀性能,更好地适应不同的工程环境。
常用钢牌号性能及用途
常用钢牌号性能及用途钢牌号是用于标识不同种类和性能的钢材的编号系统。
每个钢牌号都具有特定的化学成分、力学性能和用途。
以下是一些常用的钢牌号及其性能和用途的介绍。
1.Q235Q235是一种碳素结构钢,常用于制造普通焊接、螺栓等结构件。
它具有较好的机械性能,化学成分包括碳(C)含量不超过0.22%、锰(Mn)含量介于0.30%-0.65%之间。
2.Q345Q345钢是一种低合金高强度结构钢,通常用于制造大型桥梁、重型机械设备等。
它具有良好的可焊性和可塑性,化学成分包括碳(C)含量不超过0.20%、锰(Mn)含量介于1.00%-1.60%之间。
3.4545钢是一种碳素钢,适用于制造机械结构零件和工程结构。
它具有良好的硬化性能和韧性,化学成分主要包括碳(C)含量介于0.42%-0.50%之间。
4.20Cr20Cr钢是一种低碳合金结构钢,通常用于制造汽车、船舶等零部件。
它具有良好的焊接性能和硬化能力,化学成分包括碳(C)含量介于0.17%-0.24%、铬(Cr)含量介于0.80%-1.10%之间。
5.40Cr40Cr钢是一种高强度合金结构钢,适用于制造重载、高速运输机械的齿轮、轴等零部件。
它具有良好的热处理性能和硬化能力,化学成分主要包括碳(C)含量介于0.37%-0.44%、铬(Cr)含量介于0.80%-1.10%之间。
6.65Mn65Mn钢是一种碳素弹簧钢,用于制造弹簧和卷板弹簧。
它具有高硬度和良好的弹性,化学成分主要包括碳(C)含量介于0.62%-0.70%、锰(Mn)含量介于0.90%-1.20%之间。
7.304304不锈钢是一种具有良好耐腐蚀性能的不锈钢,常用于制造化工、纺织、造纸等行业的设备。
它具有较好的抗氧化性和耐高温性,化学成分主要包括铬(Cr)含量介于17%-19%、镍(Ni)含量介于8%-10%之间。
8.316316不锈钢是一种具有更高耐腐蚀性能的不锈钢,常用于制造海洋设备和化工设备。
钢材牌号文档
钢材牌号导言在钢材行业中,钢材牌号是对钢材种类和质量的一种标识,常用于指导钢材的选择和使用。
不同的钢材牌号代表着不同的化学成分、物理性能和用途。
了解钢材牌号的含义和特点对于正确选择和使用钢材至关重要。
本文将介绍几种常见的钢材牌号及其应用领域。
1. Q235Q235是一种常见的低碳钢,属于碳素结构钢。
其化学成分包括碳(C)含量小于0.22%,锰(Mn)含量小于1.4%,硅(Si)含量小于0.35%,磷(P)含量小于0.045%,硫(S)含量小于0.05%。
Q235钢材具有良好的可焊性、塑性和韧性,常用于一般机械结构和焊接结构中。
应用领域•建筑行业:用于制造钢结构、桥梁和建筑材料。
•车辆制造业:常用于制造汽车骨架和车身零部件。
•压力容器:适用于制造一般压力容器。
•船舶制造业:可用于制造船体结构和船舶零部件。
2. 45钢45钢是一种碳素结构钢,其化学成分包括碳(C)含量在0.42%至0.50%之间,硅(Si)含量小于0.40%,锰(Mn)含量小于0.80%,磷(P)含量小于0.035%,硫(S)含量小于0.035%。
45钢材具有良好的硬度和强度,热处理后可增加其硬度,常用于制造机械零部件。
应用领域•齿轮制造业:用于制造齿轮、传动轴和连接杆等零部件。
•弹簧制造业:适用于制造弹簧、卡簧和弹簧零件。
•轴类零件:常用于制造轴颈、车轴和凸轮轴等。
•锻件制造:可用于制造锻件、锻模和锻压装置。
3. 304不锈钢304不锈钢,也称为18-8不锈钢,是一种常见的不锈钢材料,主要由铬(Cr)和镍(Ni)构成。
其化学成分包括铬(Cr)含量在18%至20%之间,镍(Ni)含量在8%至10.5%之间,碳(C)含量小于0.08%,硅(Si)含量小于1.0%,锰(Mn)含量小于2.0%,磷(P)含量小于0.045%,硫(S)含量小于0.03%。
304不锈钢具有良好的耐腐蚀性、耐高温性和机械性能,广泛应用于化工、食品加工、医疗器械等领域。
常用工业用钢牌号及性能
工业用钢按化学成分分为碳素钢和合金钢两大类。
碳素钢是指含碳量低于 2.11%的铁碳合金。
合金钢是指为了提高钢
的性能,在碳钢基础上
有意加入一定量合金元
素所获得的铁基合金。
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第一节 钢的分类及编号
一、钢的分类
1、按化学成分分
低碳钢 0.25%C 碳素钢 中碳钢 0.25~0.6%C
③ 当0.1%>含碳量上限> 0.03%时,以“0”表示,如 0Cr18Ni9(含碳量上限为0.08%)
④ 当0.03%≥含碳量上限>0.01%时(超低碳),以 “03”表示,如03Cr19Ni10(含碳量上限为0.03%)
⑤ 当含碳量上限≤0. 01%时
(极低碳),以“01”表示,
如01Cr19Ni11(含碳量上
高碳钢 0.6%C
低合金钢 合金元素总量 5%
合金钢 中合金钢 合金元素总量 5~10%
高合金钢 合金元素总量 10%
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2、按质量分 钢的质量是以磷、硫的含量来划分的。 分为普通质量钢、优质钢、高级优质钢和特级优质钢. 根据现行标准,各质量等级钢的磷、硫含量如下:
钢类
普通质量钢 优质钢 高级优质钢 特级优质钢
淬火碳钢 回火 时的 硬度变化
当回火硬度相同时,合金钢比同含碳量碳钢回火温
度高。如果同温度回火,合金钢硬度比碳钢高。
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⑵ 产生二次硬化 含高W、Mo、Cr、V钢
淬火后回火时,由于析出 细小弥散的特殊碳化物及 回火冷却时A’转变为M回, 使硬度不仅不下降,反而 升高的现象称二次硬化。
化作用
非碳化物形成元素及过剩 的碳化物形成元素都溶于 铁素体,形成合金铁素体.
常用钢材的成分、分类、牌号
常用钢材的成分、分类、牌号一、非合金钢(碳素钢)的成分、分类、牌号1.非合金钢的成分非合金钢又称碳素钢或碳素结构钢,简称碳钢,是指以铁为主要元素,碳的质量分数0.0218%<w(C)<2.11%,且在冶炼时没有特意加入其他合金元素的铁碳合金。
碳钢中除含有铁、碳元素外,还含有少量的硅、锰、硫、磷等杂质。
非合金钢价格低廉,产量大,具有必要的力学性能和优良的金属加工性能等,所以应用广泛。
2.非合金钢的分类(1)按钢中碳的质量分数分类1)低碳钢:C的质量分数≤0.25%。
2)中碳钢:C的质量分数=0.25%〜0.60%。
3)高碳钢:C的质量分数≥0.60%。
(2)按钢的主要质量等级分(根据GB/T 13304—2008)1)普通质量非合金钢:是指生产过程中不规定需要特別控制质量要求的钢。
2)优质非合金钢:是指在生产过程中需要特别控制质量(如控制晶粒度,降低硫、磷含量,改善表面质量或增加工艺控制等),以达到比普通质量非合金钢特殊的质量要求(如良好的抗脆断性能,良好的冷成型型等)。
3)特殊质量非合金钢:是指生产过程中需要特別严格控制质量和性能(如控制淬透性和纯洁度)的非合金钢。
(3)按钢的用途分1)结构钢:主要用于制造建筑结构件、工程结构件和各种机械零件,碳的质量分数一般均小于0.70%。
2)工具钢:主要用于制造各种刀具、量具和模具等,碳的质量分数一般均大于0.70%。
(4)按冶炼时脱氧程度的不同分类1)沸腾钢(F):脱氧程度不完全的钢2)镇静钢(Z):脱氧程度完全的钢。
3)特殊镇静钢(TZ):比镇静钢脱氧程度更充分彻底的钢。
3.非合金钢的牌号根据《碳素结构钢》(GB/T700—2006)、《钢铁产品牌号表示方法》(GB/T 221——2008)和《优质碳素结构钢》(GB/T 699—2015)的规定,非合金钢牌号的表示方法如下:(1)通用碳素结构钢采用代表屈服强度的字母“Q”、屈服强度的数值(单位为MPa)和质量等级符号、脱氧方法符号(“Z”与“TZ”符合可省略)表示,按顺序组成牌号。
钢牌号与化学成分
1、普通碳素结构钢牌号及化学成分:C Si Mn P S Q1950.06~0.120.12~0.300.25~0.50≤0.045≤0.050Q215A 0.09~0.150.12~0.300.25~0.55≤0.045≤0.050Q315B 0.09~0.150.12~0.300.25~0.55≤0.045≤0.045Q235A0.14~0.220.12~0.300.30~0.65≤0.045≤0.050Q335B 0.12~0.200.12~0.300.30~0.70≤0.045≤0.045Q235C ≤0.180.12~0.300.35~0.80≤0.040≤0.040Q235D ≤0.170.12~0.300.35~0.80≤0.030≤0.030Q255A 0.18~0.280.12~0.300.40~0.70≤0.045≤0.050Q255B 0.18~0.280.12~0.300.40~0.70≤0.045≤0.045Q2750.28~0.380.15~0.350.5~0.80≤0.045≤0.050CSi Mn P S Cr Ni Cu GB/T69908F 0.05~0.11≤0.030.25~0.500.0350.0350.10.30.25GB/T69910F 0.07~0.13≤0.070.25~0.500.0350.0350.150.30.25GB/T69915F 0.12~0.18≤0.070.25~0.500.0350.0350.250.30.25GB/T69980.05~0.110.17~0.370.35~0.650.0350.0350.10.30.25GB/T699100.07~0.130.17~0.370.35~0.650.0350.0350.150.30.25GB/T699150.12~0.180.17~0.370.35~0.650.0350.0350.250.30.25GB/T699200.17~0.230.17~0.370.35~0.650.0350.0350.250.30.25GB/T699250.22~0.290.17~0.370.50~0.800.0350.0350.250.30.25GB/T699300.27~0.340.17~0.370.50~0.800.0350.0350.250.30.25GB/T699350.32~0.390.17~0.370.50~0.800.0350.0350.250.30.25GB/T699400.37~0.440.17~0.370.50~0.800.0350.0350.250.30.25GB/T699450.42~0.500.17~0.370.50~0.800.0350.0350.250.30.25GB/T699500.47~0.550.17~0.370.50~0.800.0350.0350.250.30.25GB/T699550.52~0.600.17~0.370.50~0.800.0350.0350.250.30.25GB/T699600.57~0.650.17~0.370.50~0.800.0350.0350.250.30.25GB/T699650.62~0.700.17~0.370.50~0.800.0350.0350.250.30.25GB/T699700.67~0.750.17~0.370.50~0.800.0350.0350.250.30.25GB/T699750.72~0.800.17~0.370.50~0.800.0350.0350.250.30.25GB/T699800.77~0.850.17~0.370.50~0.800.0350.0350.250.30.252、优质碳素结构钢牌号及化学成分:钢牌号及化学成分执行标准牌号化学成分(%)执行标准牌号化学成分(%)GB700-1988GB/T699850.82~0.900.17~0.370.50~0.800.0350.0350.30.25GB/T699Mn150.12~0.180.17~0.370.70~1.000.0350.0350.30.25GB/T699Mn200.17~0.230.17~0.370.70~1.000.0350.0350.250.30.25GB/T699Mn250.22~0.290.17~0.370.70~1.000.0350.0350.250.30.25GB/T699Mn300.27~0.340.17~0.370.70~1.000.0350.0350.250.30.25GB/T699Mn350.32~0.390.17~0.370.70~1.000.0350.0350.250.30.25GB/T699Mn400.37~0.440.17~0.370.70~1.000.0350.0350.250.30.25GB/T699Mn450.42~0.500.17~0.370.70~1.000.0350.0350.250.30.25GB/T699Mn500.48~0.560.17~0.370.70~1.000.0350.0350.250.30.25GB/T699Mn600.57~0.650.17~0.370.70~1.000.0350.0350.250.30.25GB/T699Mn650.62~0.700.17~0.370.90~1.200.0350.0350.250.30.25GB/T699Mn700.67~0.750.17~0.370.90~1.200.0350.0350.250.30.25C Si P S Cr NiAL ≤≥GB/T1591Q295A 0.160.80~1.500.550.0450.0450.02~0.150.015~0.0600.02~0.20GB/T1591Q395B 0.160.80~1.500.550.040.040.02~0.150.015~0.0600.02~0.20GB/T1591Q345A 0.20.10~1.600.550.0450.0450.02~0.150.015~0.0600.02~0.20GB/T1591Q345B 0.20.10~1.600.550.040.040.02~0.150.02~0.200.02~0.20GB/T1591Q345C 0.20.10~1.600.550.0350.0350.02~0.150.02~0.200.02~0.200.015GB/T1591Q345D 0.180.10~1.600.550.030.030.02~0.150.02~0.200.02~0.200.015GB/T1591Q345E 0.180.10~1.600.550.0250.0250.02~0.150.02~0.200.02~0.200.015GB/T1591Q345A 0.20.10~1.600.550.0450.0450.30.70.02~0.200.02~0.200.02~0.20GB/T1591Q390B 0.20.10~1.600.550.040.040.30.70.02~0.200.02~0.200.02~0.20GB/T1591Q390C 0.20.10~1.600.550.0350.0350.30.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q390D 0.20.10~1.600.550.030.030.30.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q390E 0.20.10~1.600.550.0250.0250.30.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q420A 0.2 1.00~1.700.550.0450.0450.70.02~0.200.02~0.200.02~0.20GB/T1591Q420B 0.2 1.00~1.700.550.040.040.70.02~0.200.02~0.200.02~0.20GB/T1591Q420C 0.2 1.00~1.700.550.0350.0350.40.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q420D 0.18 1.00~1.700.550.030.030.40.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q420E 0.18 1.00~1.700.550.0250.0250.40.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q460C 0.2 1.00~1.700.550.0350.0350.70.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q460D 0.2 1.00~1.700.550.030.030.70.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q460E 0.21.00~1.700.550.030.030.70.70.02~0.200.02~0.200.02~0.200.0154、合金机构钢牌号及化学成分3、低合金高度结构钢号及化学成分:执行标准牌号化学成分(%)Mn V Nb Ti≤(1)、锰合金机构钢牌号及化学成分:P S Cr Ni Cu GB/T307720Mn20.17~0.240.17~0.37 1.40~1.800.0350.0350.30.30.3GB/T307730Mn20.27~0.340.17~0.37 1.40~1.800.0350.0350.30.30.3GB/T307735Mn20.32~0.390.17~0.37 1.40~1.800.0350.0350.30.30.3GB/T307740Mn20.37~0.440.17~0.37 1.40~1.800.0350.0350.30.30.3GB/T307745Mn20.42~0.490.17~0.37 1.40~1.800.0350.0350.30.30.3GB/T307750Mn20.47~0.550.17~0.37 1.40~1.800.0350.0350.30.30.3(2)、锰钒合金结构钢牌号及化学成分:GB/T1591Q345B 0.20.10~1.600.550.040.040.02~0.150.02~0.200.02~0.20GB/T1591Q345C 0.20.10~1.600.550.0350.0350.02~0.150.02~0.200.02~0.200.015GB/T1591Q345D 0.180.10~1.600.550.030.030.02~0.150.02~0.200.02~0.200.015GB/T1591Q345E 0.180.10~1.600.550.0250.0250.02~0.150.02~0.200.02~0.200.015GB/T1591Q345A 0.20.10~1.600.550.0450.0450.30.70.02~0.200.02~0.200.02~0.20GB/T1591Q390B 0.20.10~1.600.550.040.040.30.70.02~0.200.02~0.200.02~0.20GB/T1591Q390C 0.20.10~1.600.550.0350.0350.30.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q390D 0.20.10~1.600.550.030.030.30.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q390E 0.20.10~1.600.550.0250.0250.30.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q420A 0.2 1.00~1.700.550.0450.0450.70.02~0.200.02~0.200.02~0.20GB/T1591Q420B 0.2 1.00~1.700.550.040.040.70.02~0.200.02~0.200.02~0.20GB/T1591Q420C 0.2 1.00~1.700.550.0350.0350.40.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q420D 0.18 1.00~1.700.550.030.030.40.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q420E 0.18 1.00~1.700.550.0250.0250.40.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q460C 0.2 1.00~1.700.550.0350.0350.70.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q460D 0.2 1.00~1.700.550.030.030.70.70.02~0.200.02~0.200.02~0.200.015GB/T1591Q460E 0.21.00~1.700.550.030.030.70.70.02~0.200.02~0.200.02~0.200.015P S Cr Ni Cu GB/T307720Mn20.17~0.240.17~0.37 1.40~1.800.0350.0350.30.30.3GB/T307730Mn20.27~0.340.17~0.37 1.40~1.800.0350.0350.30.30.3GB/T307735Mn20.32~0.390.17~0.37 1.40~1.800.0350.0350.30.30.3GB/T307740Mn20.37~0.440.17~0.371.40~1.800.0350.0350.30.30.34、合金机构钢牌号及化学成分执行标准牌号化学成分(%)(1)、锰合金机构钢牌号及化学成分:≤Mn Si C 执行标准牌号化学成分(%)C Si Mn ≤GB/T307745Mn20.42~0.490.17~0.37 1.40~1.800.0350.0350.30.30.3GB/T307750Mn20.47~0.550.17~0.371.40~1.800.0350.0350.30.30.3Mn P S Cr Ni ≤GB/T307720MnV 1.70~0.24 1.70~0.371.30~1.600.0350.0350.30.30.07~0.12P SCr Ni GB/T307727SiMn 0.24~0.32 1.10~1.40 1.10~1.400.0350.0350.30.3GB/T307735SiMn 0.32~0.40 1.10~1.40 1.10~1.400.0350.0350.3GB/T307742SiMn 0.39~0.45 1.10~1.401.10~1.400.0350.0350.3Mn P S Cr Ni Mo≤GB/T307720SiMn2MoV 0.17~0.230.90~1.20 2.20~2.600.0350.0350.30.30.30~0.400.05~0.12GB/T307825SiMn3MoV 0.22~0.280.90~1.20 2.20~2.600.0350.0350.30.30.30~0.400.05~0.12Mn P S Cr Ni≤GB/T307740B 0.37~0.440.17~0.370.60~0.900.0350.0350.30.30.0005~0.0035GB/T307745B 0.42~0.490.17~0.370.60~0.900.0350.0350.30.30.0005~0.0035GB/T307750B 0.47~0.550.17~0.370.60~0.900.0350.0350.30.30.0005~0.0035Mn P S Cr Ni ≤GB/T307740MnB 0.37~0.440.17~0.37 1.10~1.400.0350.0350.30.30.0005~0.0035GB/T307745MnB 0.42~0.490.17~0.371.10~1.400.0350.0350.30.30.0005~0.0035Mn P S Cr Ni执行标准牌号化学成分(%)C SiV (3)、硅锰合金结构钢牌号及化学成分执行标准牌号化学成分(%)C Si Mn ≤(4)、硅锰钼矾合金结构钢牌号及化学成分执行标准牌号化学成分(%)C SiV GB/T3078 37SiMn3MoV 0.33~0.39 0.90~1.20 1.60~1.90 0.035 0.035 0.3 0.3 0.3 0.40~0.50 0.05~0.12(5)、硼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C Si B(6)、锰硼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C SiB(7)、锰钼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C SiB(2)、锰钒合金结构钢牌号及化学成分:≤GB/T307720MnMoB 0.16~0.220.17~0.370.60~0.900.0350.0350.30.30.0005~0.0035Mn P S Cr Ni ≤GB/T307715MnVB 0.12~0.180.17~0.37 1.20~1.600.0350.0350.30.30.07~0.0120.0005~0.0035GB/T307720MnVB 0.17~0.230.17~0.37 1.10~1.400.0350.0350.30.30.07~0.0120.0005~0.0035GB/T307740MnVB 0.37~0.440.17~0.371.30~1.500.0350.0350.30.30.07~0.0120.0005~0.0035Mn P S Cr Ni V BRE ≤ ≤GB/T307720MnTiB 0.17~0.240.17~0.37 1.30~1.500.0350.0350.30.30.04~0.100.0005~0.0035GB/T307725MnTiBRE 0.22~0.280.20~0.451.30~1.600.0350.0350.30.30.04~0.100.0005~0.00350.05P SNi Cu GB/T307715Cr 0.12~0.180.17~0.370.40~0.700.70~1.000.0350.0350.30.3GB/T307715CrA 0.12~0.170.17~0.370.40~0.700.70~1.000.0250.0250.30.3GB/T307720Cr 0.18~0.240.17~0.370.50~0.800.70~1.000.0350.0350.30.3GB/T307730Cr 0.27~0.340.17~0.370.50~0.800.80~1.100.0350.0350.30.3GB/T307735Cr 0.32~0.390.17~0.370.50~0.800.80~1.100.0350.0350.30.3GB/T307740Cr 0.37~0.440.17~0.370.50~0.800.80~1.100.0350.0350.30.3GB/T307745Cr 0.42~0.490.17~0.370.50~0.800.80~1.100.0350.0350.30.3GB/T307750Cr 0.47~0.540.17~0.370.50~0.700.80~1.100.0350.0350.30.3P SNi Cu GB/T307712CrMo 0.80~0.120.17~0.370.40~0.700.40~0.700.40~0.550.0350.0350.30.3GB/T307715CrMo 0.12~0.180.17~0.370.40~0.700.80~1.100.40~0.550.0350.0350.30.3GB/T307720CrMo 0.17~0.240.17~0.370.40~0.700.80~1.100.15~0.250.0350.0350.30.3GB/T307730CrMo 0.26~0.340.17~0.370.40~0.700.80~1.100.15~0.250.0350.0350.30.3GB/T307730CrMoA 0.26~0.330.17~0.370.40~0.700.80~1.100.15~0.250.0250.0250.30.3GB/T307735CrMo0.32~0.400.17~0.370.40~0.700.80~1.100.15~0.250.0350.0350.30.3执行标准牌号C SiB(8)、锰矾硼合金机构钢牌号及化学成分:执行标准牌号化学成分(%)C SiV BMn Cr (9)、锰钛合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C Si Si Mn Cr Mo(10)、钼铬金结构钢牌号及化学成分:执行标准牌号化学成分(%)C Si ≤(11)、铬硅合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C ≤GB/T307742CrMo 0.38~0.450.17~0.370.50~0.800.90~1.200.15~0.250.0350.0350.30.3P SNiCuGB/T307742CrSi 0.35~0.43 1.00~1.300.30~0.601.30~1.600.0350.0350.30.3P SNiCu VGB/T307712CrMoV 0.08~0.150.17~0.370.40~0.700.30~0.600.25~0.350.0350.0350.30.30.15~0.30GB/T307735CrMoV 0.30~0.380.17~0.370.40~0.70 1.00~1.300.20~0.300.0350.0350.30.30.10~0.20GB/T307712Cr1MoV 0.08~0.150.17~0.370.40~0.700.90~1.200.25~0.350.0350.0350.30.30.15~0.30GB/T307725Cr2MoVA 0.22~0.290.17~0.370.40~0.70 1.50~1.800.25~0.350.0250.0250.30.30.15~0.30GB/T307725Cr2Mo1VA 0.22~0.290.17~0.370.50~0.802.10~2.500.90~1.100.0250.0250.30.30.30~0.50P SNiCu A1GB/T307738CrMoVA10.35~0.420.20~0.450.30~0.601.35~1.650.15~0.250.0350.0350.30.30.70~1.10P SNi Cu GB/T307740CrV 0.37~0.440.17~0.370.50~0.800.80~1.100.0350.0350.30.30.10~0.20GB/T307750CrVA 0.47~0.540.17~0.370.50~0.800.80~1.100.0250.0250.30.30.10~0.20P SNi Cu GB/T307715CrMn 0.12~0.180.17~0.37 1.10~1.400.40~0.700.0350.0350.30.3GB/T307720CrMn 0.17~0.230.17~0.370.90~1.200.90~1.200.0250.0250.30.3GB/T307742CrMn 0.37~0.450.17~0.370.90~1.200.90~1.200.0350.0350.30.3P SNi CuSi Mn Cr ≤Mn Cr Mo≤(12)、铬钼合金结构钢号及化学成分:执行标准牌号化学成分(%)C Mn Cr Mo≤(13)、铬钼矾合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C Si Mn Cr V (14)、铬钼铝合金结构钢号及化学成分:执行标准牌号化学成分(%)C Si Si Mn Cr (15)、铬矾合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSiC Si Mn Cr≤(16)、铬锰合金结构钢号及化学成分:执行标准牌号化学成分(%)C ≤≤(17)、铬锰硅合金结构钢号及化学成分:执行标准牌号化学成分(%)GB/T307720CrMnSi 0.17~0.230.90~1.200.80~1.100.80~1.100.0350.0350.30.3GB/T307725CrMnSi 0.22~0.280.90~1.200.80~1.100.80~1.100.0350.0350.30.3GB/T307730CrMnSi 0.27~0.340.90~1.200.80~1.100.80~1.100.0350.0350.30.3GB/T307731CrMnSiA 0.28~0.340.90~1.200.80~1.100.80~1.100.0250.0250.30.3GB/T307732CrMnSiA 0.32~0.39 1.10~1.400.80~1.101.10~1.400.0250.0250.30.3P SNi Cu GB/T307720CrMoNo 0.17~0.230.17~0.370.90~1.20 1.10~1.400.20~0.300.0350.0350.30.3GB/T307740CrMoNo 0.37~0.440.17~0.370.90~1.200.90~1.200.20~0.300.0350.0350.30.3P S Cu GB/T307720CrNi 0.17~0.230.17~0.370.40~0.700.45~0.75 1.00~1.400.0350.0350.30.80~1.100.80~1.10GB/T307740CrNi 0.37~0.440.17~0.370.50~0.800.45~0.75 1.00~1.400.0350.0350.30.80~1.100.80~1.10GB/T307745CrNi 0.42~0.490.17~0.370.50~0.800.45~0.75 1.00~1.400.0350.0350.3GB/T307750CrNi 0.47~0.540.17~0.370.50~0.800.45~0.75 1.00~1.400.0350.0350.3GB/T307712CrNi20.10~0.170.17~0.370.30~0.600.60~0.90 1.50~1.900.0350.0350.3GB/T307712CrNi30.10~0.170.17~0.370.30~0.600.60~0.90 2.75~3.150.0350.0350.3GB/T307720CrNi30.17~0.240.17~0.370.30~0.600.60~0.90 2.75~3.150.0350.0350.3GB/T307730CrNi30.27~0.330.17~0.370.30~0.600.60~0.90 2.75~3.150.0350.0350.3GB/T307737CrNi30.34~0.410.17~0.370.30~0.60 1.20~1.60 3.00~3.500.0350.0350.3GB/T307712CrNi40.10~0.160.17~0.370.30~0.60 1.25~1.65 3.25~3.650.0350.0350.3GB/T307720CrNi40.17~0.230.17~0.370.30~0.601.25~1.65 3.25~3.650.0350.0350.3P S Cu Ni GB/T307720CrMnTi 0.17~0.230.17~0.370.80~1.10 1.00~1.300.04~0.100.0350.0350.30.3GB/T307730CrMnTi 0.24~0.320.17~0.370.80~1.101.00~1.300.04~0.100.0350.0350.30.3P S CuGB/T307720CrNiMo0.17~0.230.17~0.370.60~0.950.40~0.700.35~0.750.20~0.300.0350.0350.3(18)、铬锰钼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C Si Mn Cr Mo≤(19)、铬镍合金结构钢号及化学成分:执行标准牌号化学成分(%)C Si Mn Cr Ni≤(20)、铬锰钛合金结构钢号及化学成分:执行标准牌号化学成分(%)C Si Mn Cr Ti≤(21)、铬镍钼合金结构钢号及化学成分:执行标准牌号化学成分(%)C Si Mn Cr Ni Mo≤GB/T307721CrNiMoA 0.37~0.440.17~0.370.50~0.800.60~0.90 1.25~1.650.15~0.250.0250.0250.3P S CuGB/T307718CrNiMnMoA 0.15~0.210.17~0.37 1.10~1.401.00~1.30 1.00~1.300.20~0.300.0250.0250.3P S CuGB/T307718CrNiMoVA 0.42~0.480.17~0.370.50~0.800.80~1.10 1.30~1.800.20~0.300.10~0.200.0250.0250.3P S CuGB/T307718Cr2Ni4WA 0.13~0.190.17~0.370.30~0.60 1.35~1.65 4.00~4.500.80~1.200.0250.0250.3GB/T307725Cr2Ni4WA 0.21~0.280.17~0.370.30~0.601.35~1.65 4.00~4.500.80~1.200.0250.0250.3P S CuGB/T521645H 0.42~0.500.17~0.370.50~0.85≤0.25≤0.300.0350.0350.25GB/T521615CrH 0.12~0.180.17~0.370.55~0.900.85~1.25≤0.300.0350.0350.3GB/T521620CrH 0.17~0.230.17~0.370.50~0.850.70~1.10≤0.300.0350.0350.3GB/T521620CrLH 0.17~0.230.17~0.370.55~0.900.85~1.25≤0.300.0350.0350.3GB/T521640CrH 0.37~0.440.17~0.370.50~0.850.70~1.10≤0.300.0350.0350.3GB/T521620CrH 0.42~0.490.17~0.370.50~0.850.70~1.10≤0.300.0350.0350.3GB/T521616CrMnH 0.14~0.19≤0.37 1.00~1.300.80~1.10≤0.300.0350.0350.3GB/T521620CrMnH 0.17~0.22≤0.37 1.10~1.40 1.00~1.30≤0.300.0350.0350.3GB/T521615CrMnBh 0.13~0.180.17~0.37 1.00~1.300.80~1.10≤0.300.0005~0.00300.0350.0350.3GB/T521617CrMnBh 0.15~0.200.17~0.37 1.00~1.30 1.00~1.35≤0.300.0005~0.00300.0350.0350.3GB/T521640MnBH 0.37~0.440.17~0.37 1.00~1.40≤0.30≤0.300.0005~0.00300.0350.0350.3GB/T521645MnBH 0.42~0.490.17~0.37 1.00~1.40≤0.30≤0.300.0005~0.00300.0350.0350.3GB/T521620MnVBH 0.17~0.230.17~0.37 1.05~1.45≤0.30≤0.30V=0.07~0.120.0005~0.00300.0350.0350.3GB/T521620MnTiBH 0.17~0.230.17~0.37 1.20~1.55≤0.30≤0.30Ti=0.04~0.100.0005~0.00300.0350.0350.3GB/T521615CrMoH 0.12~0.180.17~0.370.55~0.900.85~1.25≤0.30Mo=0.15~0.250.0350.0350.3GB/T521620CrMoH0.17~0.230.17~0.371.10~1.480.85~1.25≤0.30Mo=0.15~0.250.0350.0350.3(22)、铬镍锰钼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSiMn CrNiV≤Mo≤(23)、铬镍钼矾合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSiMn CrNiWNiMo Mn CrSi Mn Cr Ni (24)、铬镍钨合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSiMo、Ti、V B≤≤5、保证淬透性结构钢(H钢)牌号及化学成分:执行标准牌号化学成分(%)CGB/T521622CrMoH 0.19~0.250.17~0.37 1.10~1.490.85~1.25≤0.30Mo=0.35~0.450.0350.0350.3GB/T521644CrMoH 0.37~0.440.17~0.37 1.10~1.500.85~1.25≤0.30Mo=0.15~0.250.0350.0350.3GB/T521620CrMnMoH 0.17~0.230.17~0.37 1.10~1.51 1.05~1.40≤0.30Mo=0.20~0.300.0350.0350.3GB/T521620CrMnTiH 0.17~0.230.17~0.37 1.10~1.52 1.00~1.35≤0.30Ti=0.04~0.100.0350.0350.3GB/T521647CrNi3H 0.17~0.230.17~0.37 1.10~1.530.60~0.95 2.70~3.250.0350.0350.3GB/T521647Cr2Ni4H 0.10~0.170.17~0.37 1.10~1.54 1.20~1.75 3.20~3.750.0350.0350.3GB/T521620CrNiMoH 0.17~0.230.17~0.37 1.10~1.550.35~0.650.35~0.75Mo=0.15~0.250.0350.0350.3GB/T521620CrNi2MoH 0.17~0.230.17~0.37 1.10~1.560.35~0.65 1.55~2.00Mo=0.20~0.300.0350.0350.36、易切削结构钢牌号及化学成分:C Si MnPSPbGB/T8731Y120.08~0.160.15~0.350.70~1.000.08~0.150.10~0.20GB/T8731Y12Pb 0.08~0.16≤0.150.70~1.000.05~0.100.15~0.250.15~0.35GB/T8731Y150.10~0.18≤0.150.80~1.200.05~0.100.23~0.33GB/T8731Y15pb 0.10~0.19≤0.150.80~1.200.05~0.100.23~0.330.15~0.35GB/T8731Y200.17~0.250.15~0.350.70~1.00≤0.0600.08~0.15GB/T8731Y300.27~0.350.15~0.350.70~1.00≤0.0600.08~0.15GB/T8731Y350.32~0.400.15~0.350.70~1.00≤0.0600.08~0.15GB/T8731Y40Mn 0.37~0.450.15~0.35 1.20~1.55≤0.0500.20~0.30GB/T8731Y45Ca 0.42~0.500.20~0.400.60~0.90≤0.900.04~0.08Ca=0.15~0.357、冷墩和冷压用钢牌号及化学成分:(1)、非热处理型冷墩和冷挤压用钢牌号及化学成分:Si P S Cu Ni CrALt≤≥GB/T6478ML04ML ≤0.060.10.20~0.400.0350.0350.200.200.20.02GB/T6478ML08AL 0.05~0.100.10.30~0.600.0350.0350.200.200.20.02GB/T6478ML10AL 0.08~0.130.10.30~0.600.0350.0350.200.200.20.02GB/T6478ML15AL 0.13~0.180.10.30~0.600.0350.0350.200.200.20.02GB/T6478ML15AL 0.13~0.180.15~0.350.30~0.600.0350.0350.200.200.2GB/T6478ML20AL 0.18~0.230.10.30~0.600.0350.0350.200.200.20.02GB/T6478ML200.18~0.230.15~0.350.30~0.600.0350.0350.200.200.2(2)、表面硬化型冷墩和冷挤压用钢牌号及化学成分:Si P S Cu Ni CrALt ≤≥GB/T6478ML18Mn0.15~0.200.10.60~0.900.0350.0350.200.200.20.02执行标准牌号化学成分(%)执行标准牌号化学成分(%)CMn≤执行标准牌号化学成分(%)C Mn≤GB/T6478ML22Mn 0.18~0.230.10.70~1.000.0350.0350.200.200.20.02GB/T6478ML20Cr 0.17~0.230.30.60~0.900.0350.0350.200.200.90~1.200.02(3)、调质型冷镦和冷挤压用钢牌号及化学成分:ALt P S NiCu ≥GB/T6478ML250.22~0.29≤0.200.30~0.60≤0.200.0350.0350.020.02GB/T6478ML300.27~0.34≤0.200.30~0.60≤0.200.0350.0350.020.02GB/T6478ML350.32~0.39≤0.200.30~0.60≤0.200.0350.0350.020.02GB/T6478ML400.37~0.44≤0.200.30~0.60≤0.200.0350.0350.020.02GB/T6478ML450.42~0.50≤0.200.30~0.60≤0.200.0350.0350.020.02GB/T6478ML15Mn 0.14~0.200.20~0.400.20~0.40≤0.200.0350.0350.020.02GB/T6478ML25Mn 0.22~0.29≤0.250.60~0.90≤0.200.0350.0350.020.02GB/T6478ML30Mn 0.27~0.34≤0.250.60~0.90≤0.200.0350.0350.020.02GB/T6478ML35Mn 0.32~0.39≤0.250.60~0.90≤0.200.0350.0350.020.02GB/T6478ML37Cr 0.34~0.41≤0.300.60~0.900.90~1.200.0350.0350.020.02GB/T6478ML40Cr 0.38~0.45≤0.300.60~0.900.90~1.200.0350.0350.020.02GB/T6478ML30CrMo 0.26~0.34≤0.300.60~0.900.15~0.250.80~1.100.0350.0350.020.02GB/T6478ML35CrMo 0.32~0.40≤0.300.60~0.900.15~0.250.80~1.100.0350.0350.020.02GB/T6478ML42CrMo 0.38~0.45≤0.300.60~0.900.15~0.250.90~1.200.0350.0350.020.02GB/T6478ML20B 0.17~0.24≤0.400.50~0.800.0005~0.0035≤0.200.020.0350.0350.020.02GB/T6478ML28B 0.25~0.32≤0.400.60~0.900.0005~0.0035≤0.200.020.0350.0350.020.02GB/T6478ML35B 0.32~0.39≤0.400.50~0.800.0005~0.0035≤0.200.020.0350.0350.020.02GB/T6478ML15MnB 0.14~0.20≤0.40 1.20~1.600.0005~0.0035≤0.200.020.0350.0350.020.02GB/T6478ML20MnB 0.17~0.24≤0.400.80~1.200.0005~0.0035≤0.200.020.0350.0350.020.02GB/T6478ML35MnB 0.32~0.39≤0.40 1.10~1.400.0005~0.0035≤0.200.020.0350.0350.020.02GB/T6478ML37CrB 0.34~0.41≤0.400.50~0.800.0005~0.00350.20~0.400.020.0350.0350.020.02GB/T6478ML20MnTiB 0.19~0.24≤0.30 1.30~1.600.04~0.100.0005~0.0035≤0.200.020.0350.0350.020.02GB/T6478ML15VMnB 0.13~0.18≤0.30 1.20~1.600.07~0.120.0005~0.0035≤0.200.020.0350.0350.020.02GB/T6478ML20VMnB 0.19~0.24≤0.301.20~1.600.07~0.120.0005~0.0035≤0.200.020.0350.0350.020.028、高耐侯结构钢牌号及化学成分表:化学成分(%)C SiMnPS Cr Ni CuTi RE ≤≤GB/T4171Q295GNH 0.25~0.500.20~0.400.20~0.600.07~0.150.0350.25~0.550.10.15GB/T4171Q295GNHL 0.120.10~0.400.20~0.500.07~0.120.0350.30~0.650.25~0.500.25~0.451GB/T4171Q345GNH 0.120.20~0.600.50~0.900.07~0.120.0350.25~0.500.030.15执行标准牌号化学成分(%)C Si Mn Mo.Ti.V B Cr≤执行标准牌号≤GB/T4171Q345GNHL 0.120.25~0.750.20~0.500.07~0.120.0350.30~1.25≤0.650.25~0.55GB/T4171Q390GH 0.120.15~0.65≤1.40≤0.0350.0350.45~0.750.05~0.300.25~0.500.10.129、焊接结构用耐钢牌号及化学成分类:C SiMnP S Cr V CuNiGB/T4172Q235NH ≤0.150.15~0.400.20~0.600.0350.0350.40~0.800.02~0.50GB/T4172Q295NH ≤0.150.15~0.50 1.00~1.600.0350.0350.40~0.800.02~0.50GB/T4172Q355NH ≤0.16≤0.500.90~1.000.0350.0350.40~0.800.02~0.100.02~0.50GB/T4172Q460NH 0.10~0.18≤0.500.90~1.000.0350.0350.40~0.800.02~0.50PSCrNiCuGB/T122265钢0.62~0.700.17~0.370.50~0.800.0350.0350.250.250.25GB/T122270钢0.62~0.750.17~0.370.50~0.800.0350.0350.250.250.25GB/T122285钢0.82~0.900.17~0.370.50~0.800.0350.0350.250.250.25GB/T122265Mn 0.62~0.700.17~0.370.90~1.20.0350.0350.250.25(2)、合金弹簧钢牌号及化学成分:P SNiCu GB/T122255Si2Mn 0.52~0.60 1.50~2.000.60~0.90≤0.350.0350.0350.350.25GB/T122255si2MnB 0.52~0.60 1.50~2.000.60~0.900.0005~0.004≤0.350.0350.0350.350.25GB/T122255siMnVB 0.52~0.600.70~1.00 1.00~1.300.08~0.100.0005~0.0035≤0.350.0350.0350.350.25GB/T122260si2Mn 0.56~0.64 1.50~2.000.60~0.90≤0.350.0350.0350.350.25GB/T122260si2MnA 0.56~0.64 1.60~2.000.60~0.90≤0.300.030.0350.350.25GB/T122260si2CrA 0.56~0.64 1.40~1.800.40~0.600.70~1.000.030.030.350.25GB/T122260si2CrVA 0.56~0.64 1.40~1.800.40~0.600.10~0.200.90~1.200.030.030.350.25GB/T122255CrMnA 0.50~0.600.17~0.370.65~0.950.65~0.950.030.030.350.25GB/T122260CrMnA 0.56~0.640.17~0.370.70~1.000.70~1.000.030.030.350.25GB/T122260CrMnMoA 0.56~0.640.17~0.370.70~1.000.25~0.350.70~0.900.030.030.350.25GB/T122250CrVA 0.46~0.640.17~0.370.50~0.800.10~0.200.80~1.100.030.030.350.25GB/T122260CrMnBA 0.56~0.640.17~0.370.70~1.000.0005~0.0040.70~1.000.030.030.350.25GB/T122230W4Cr2VA 0.26~0.340.17~0.37≤0.400.50~0.80 4.00~4.502.00~2.500.030.030.350.2511、高碳铬轴承钢牌号及化学成分表:Si Mn ≤执行标准牌号化学成分(%)V W、Mo、B Cr≤10、弹簧钢牌号及化学成分表:(1)、优质碳素弹簧钢号及化学成分表:执行标准牌号化学成分(%)C执行标准牌号化学成分(%)C Si Mn 化学成分(%)模连GB/T18254GCr40.95~1.050.15~0.300.15~0.30≤0.080.35~0.500.0250.0250.250.215×1012×10GB/T18255GCrl50.95~1.050.15~0.350.25~0.45≤0.10 1.40~1.500.0250.0250.30.2515×1012×10GB/T18256GCrl5SiMn 0.95~1.050.45~0.750.95~1.25≤0.10 1.40~1.650.0250.0250.30.2515×1012×10GB/T18257GCrl5SiMn 0.95~1.050.65~0.850.20~0.400.30~0.40 1.40~1.700.0270.020.30.2515×1012×10GB/T18258GCrl8Mo 0.95~1.050.20~0.400.25~0.400.15~0.251.65~1.950.0250.020.250.2515×1012×10二、不绣钢、耐热钢牌号及化学成分:1、不绣钢牌号及化学成分:(1)、奥氏体不绣钢牌号及化学成分:C SiMnP SCu ≤GB/T12201Cr17Mn6Ni5N0.1515.50~0.060.0316.00~18.003.50~5.50≤0.250.27.5GB/T12201Cr18Mn8Ni5N 0.15 1.007.50~10.000.060.0317.00~19.004.00~6.00≤0.250.2 2.80~3.50GB/T12201Cr18Mn10Ni5Mo30.1 1.008.50~12.000.060.0317.00~19.004.00~6.000.20~0.300.2GB/T12201Cr17Ni70.15 1.00 2.000.0350.0316.00~18.006.00~8.000.2GB/T12201Ce18Ni90.15 1.00 2.000.0350.0317.00~19.008.00~10.000.2≤0.60GB/T1220Y1Cr18Ni90.15 1.00 2.000.2 ≥0.1517.00~19.008.00~10.000.2Se≥0.15GB/T1220Y1Cr18Ni9Se 0.15 1.00 2.000.20.0617.00~19.008.00~10.000.2GB/T12200Cr18Ni90.07 1.00 2.000.0350.0317.00~19.008.00~11.000.2GB/T122000Cr19Ni100.03 1.00 2.000.0350.0318.00~20.008.00~12.000.2GB/T12200Cr19Ni9N 0.08 1.00 2.000.0350.03518.00~20.007.00~10.500.10~0.250.2GB/T12200Cr19Ni10NbN 0.08 1.00 2.000.0350.0318.00~20.007.50~10.500.15~0.300.2Nb≤0.15GB/T122000Cr18Ni10N 0.03 1.00 2.000.0350.0317.00~29.008.50~11.500.12~0.220.2GB/T12201Cr18Ni120.12 1.00 2.000.0350.0317.00~19.0010.50~13.000.2GB/T12200Cr23Ni130.08 1.00 2.000.0350.0322.00~24.0012.00~15.000.2GB/T12200Cr25Ni200.08 1.00 2.000.0350.0324.00~26.0019.00~22.000.2GB/T12200Cr17Ni12Mo20.08 1.00 2.000.0350.0316.00~18.5010.00~14.000.2 2.00~3.00GB/T12201Cr17Ni12Mo2Ti 0.12 1.00 2.000.0350.0316.00~19.0011.00~14.000.2 1.80~2.50Ti=5×(c-0.02)~0.80GB/T12200Cr17Ni12Mo2Ti 0.08 1.00 2.000.0350.0316.00~19.0011.00~14.000.2 1.80~2.50Ti=5×C~0.70GB/T122000Cr17Ni14Mo20.03 1.00 2.000.0350.0316.00~18.0012.00~15.000.2 2.00~3.00GB/T12200Cr17Ni12Mo2N 0.08 1.00 2.000.0350.0316.00~18.0010.00~14.000.10~0.220.2 2.00~3.00GB/T12200Cr17Ni13Mo2N 0.03 1.00 2.000.0350.0316.00~18.0010.50~14.500.12~0.220.2 2.00~3.00GB/T12200Cr18Ci12Mo2Cu20.081.002.000.0350.0317.00~19.0010.00~14.501.00~2.501.20~2.75Mo Cr P S NiCuO≤执行标准牌号C Si Mn N Mo 其它≤执行标准牌号Cr NiGB/T122000Crl8Ni4Mo2Cu20.03 1.00 2.000.0350.0317.00~19.0012.00~16.00 1.00~2.501.20~2.75GB/T12200Cr19Ni13Mo30.08 1.00 2.000.0350.0318.00~20.0011.00~15.000.23.00~4.00GB/T122000Cr19Ni13Mo30.03 1.00 2.000.0350.0318.00~20.0011.00~15.000.2 3.00~4.00GB/T12201Crl8Nil2Mo3Ti 0.12 1.00 2.000.0350.0316.00~19.0011.00~14.000.2 2.50~3.50Ti=5×(c-0.02)~0.80GB/T12200Cr18Ni12Mo3Ti 0.08 1.00 2.000.0350.0316.00~19.0011.00~14.000.2 2.50~3.50Ti=5×C~0.70GB/T12200Cr18Ni12Mo50.04 1.00 2.000.0350.0316.00~19.0015.00~17.000.2 4.00~6.00GB/T12201Crl8Ni9Ti 0.12 1.00 2.000.0350.0317.00~19.008.00~11.000.2Ti=5×(c-0.02)~0.80GB/T12200Cr18Ni10Ti 0.08 1.00 2.000.0350.0317.00~19.009.00~12.000.2Ti ≥5×C GB/T12200Crl8NillNb 0.08 1.00 2.000.0350.0317.00~19.009.00~13.000.2Nb≤10×CGB/T12200Crl8Ni9Cu30.08 1.00 2.000.0350.0317.00~19.008.50~10.50 3.00~4.00GB/T12200Crl8Ni13Si40.08 3.00~5.002.000.0350.0315.00~20.0011.50~15.000.2(2)、奥氏体——铁素体不锈钢牌号及化学成分:C SiMn P S Cu ≤GB/T12200Cr26NiMo20.08 1.00 1.500.0350.0323.00~28.003.00~6.00 1.00~3.000.2GB/T12201Cr18NillSi4A 0.10~0.18 3.40~4.000.800.0350.0317.50~19.5010.00~12.000.20.10~0.300.40~0.70GB/T122000Cr18Ni5Mo3S 0.03 2.001.00~2.000.0350.0318.00~19.004.50~5.50 2.50~3.000.2(3)铁素体不锈钢牌号及化学成分:C SiMn P S NiCu 其它GB/T12200Cr13AL 0.08 1.001.000.0350.0311.50~14.500.600.200.10~0.30GB/T122000Cr120.03 1.00 1.000.0350.0311.00~13.000.600.20GB/T12201Cr170.120.75 1.000.0350.0316.00~18.000.600.20GB/T1220Y1Cr170.12 1.00 1.250.06≥0.1516.00~18.00≤0.600.600.20GB/T12201Cr17Mo 0.12 1.00 1.000.0350.0316.00~18.000.75~1.250.600.20GB/T122000Cr30Mo20.100.400.400.030.0228.50~32.001.50~2.500.600.20GB/T122000Cr27Mo 0.100.400.400.030.0225.00~27.500.75~1.500.600.20Ni+Cu≤0.50(4)、马氏体不锈钢钢牌号及化学成分:执行标准牌号CSi Mn P S Cu GB/T1220≤GB/T12201Cr120.150.5 1.000.0350.0311.50~13.00≤0.600.20GB/T12201Cr130.15 1.00 1.000.0350.0311.50~13.50≤0.600.20GB/T12200Cr130.08 1.00 1.000.0350.0311.50~13.50≤0.600.20GB/T1220Y1Cr130.151.001.250.06≥0.1512.00~14.00≤0.60≤0.600.20Ni MoAl Ti执行标准牌号化学成分(%)Cr ≤MoAl ≤≤执行标准牌号化学成分(%)Cr 化学成分(%)Cr Ni MoVGB/T12201Cr13Mo 0.08~0.180.6 1.000.0350.0311.50~14.00≤0.600.30~0.600.20GB/T12202Cr130.16~0.25 1.00 1.000.0350.0312.00~14.00≤0.600.20GB/T12203Cr130.26~0.35 1.00 1.000.0350.0312.00~14.00≤0.600.20GB/T1220Y3Cr130.26~0.40 1.00 1.250.06≥0.1512.00~14.00≤0.60≤0.600.20GB/T12203Cr13Mo 0.28~0.350.8 1.000.0350.0312.00~14.00≤0.600.50~1.000.20GB/T12204Cr130.36~0.450.60.800.0350.03≤0.600.20GB/T12201Cr17Ni20.11~0.170.80.800.0350.03 1.50~2.500.20GB/T12207Cr170.60~0.75 1.00 1.000.0350.03≤0.60≤0.750.20GB/T12208Cr170.75~0.95 1.00 1.000.0350.03≤0.60≤0.750.20GB/T12209Cr180.90~1.000.8 1.250.0350.03≤0.60≤0.750.20GB/T122011Cr170.95~1.20 1.00 1.000.0350.03≤0.60≤0.750.20GB/T1220Y11Cr170.95~1.20 1.00 1.000.035≥0.15≤0.60≤0.750.20GB/T12209Cr18Mo 0.95~1.100.80.80.0350.03≤0.600.40~0.700.20GB/T12209Cr18MoV 0.85~0.950.80.80.0350.04≤0.60 1.00~1.300.20.07~0.12(4)沉淀硬化型不锈钢牌号及化学成分:C SiMnPSMo CuNbAlGB/T12200Cr17Ni4Cu4nb 0.07 1.00 1.000.0350.0315.50~17.503.00~5.00 3.00~5.000.15~0.45GB/T12200Cr17Ni7Al 0.09 1.00 1.000.0350.0316.00~18.006.50~7.750.2GB/T12200Cr15Ni7Mo2Al 0.091.001.000.0350.0314.00~16.006.50~7.503.00~5.000.250.75~1.502、耐热钢牌号及化学成分:0.75~1.50(1)、奥氏体不绣钢牌号及化学成分:P SGB/T12215Cr21Mn9Ni4N 0.48~0.580.358.00~1.000.040.03020.00~22.00 3.25~4.500.35~0.50GB/T12212Cr21Ni12N 0.15~0.280.75~1.25 1.00~1.600.0350.03020.00~22.0010.50~12.500.15~0.30GB/T12212Cr23Ni12N 0.201.002.000.0350.03022.00~24.0012.00~15.00GB/T12212Cr25Ni200.25 1.50 2.000.0350.03024.00~26.0019.00~22.00GB/T12211Cr16Ni350.151.502.000.0350.03014.00~17.0033.00~37.00GB/T1221Cr15Ni25Ti2MoAlV 0.081.002.000.0350.03013.50~16.0024.00~27.00V=0.10~0.50Mo=1.00~1.50Al≤0.35Ti=1.90~2.35B=0.001~0.010GB/T12210r18Ni90.07 1.00 2.000.0350.03017.00~19.008.00~11.00GB/T12210Cr23Ni130.08 1.00 2.000.0350.03022.00~24.0012.00~15.00GB/T12210Cr25Ni200.08 1.50 2.000.0350.03024.00~26.0019.00~22.00Si Mn 执行标准牌号化学成分(%)Cr Ni≤Cr Ni ≤执行标准牌号化学成分(%)C N、V、B、A1、W Mo、Nb、Ti。
钢牌号及化学成分
Si 0.17~0.37 0.17~0.37 0.17~0.37 0.17~0.37 0.17~0.37 0.17~0.37 0.10~1.60 0.10~1.60 0.10~1.60 0.10~1.60 0.10~1.60 0.10~1.60 0.10~1.60 0.10~1.60 0.10~1.60 1.00~1.70 1.00~1.70 1.00~1.70 1.00~1.70 1.00~1.70 1.00~1.70 1.00~1.70 1.00~1.70
0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.7 0.7 0.7
0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7
执行标准
牌号
C 0.17~0.24 0.27~0.34 0.32~0.39 0.37~0.44 0.42~0.49 0.47~0.55 0.2 0.2 0.18 0.18 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.18 0.18 0.2 0.2 0.2
0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035
0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
易切削钢牌号和化学成分对应表
让我们来排版易切削钢牌号和化学成分对应表。
1. 45号钢:C:0.42-0.50,Mn:0.50-0.80,Si:0.17-0.372. 40Cr:C:0.37-0.44,Mn:0.50-0.80,Cr:0.80-1.103. 20号钢:C:0.17-0.24,Mn:0.35-0.65,Si:0.17-0.374. 35号钢:C:0.32-0.39,Mn:0.50-0.80,Si:0.17-0.375. 30CrMnSiA:C:0.28-0.34,Mn:0.80-1.10,Si:0.80-1.10,Cr:0.80-1.10接下来,让我们开始撰写文章。
易切削钢牌号和化学成分对应表随着工业技术的不断进步和发展,易切削钢在机械加工中扮演着重要的角色。
而对于使用易切削钢的生产厂家和加工工人来说,熟悉和了解钢牌号与化学成分的对应关系是至关重要的。
下面我们将就易切削钢牌号和化学成分对应表展开深入探讨。
一、45号钢45号钢是一种通用的碳素结构钢,其化学成分包括:碳素含量在0.42-0.50之间,锰含量在0.50-0.80之间,硅含量在0.17-0.37之间。
它具有良好的切削加工性能和热处理性能,可用于制造各种机械零部件。
二、40Cr40Cr是一种合金结构钢,其化学成分主要包括:碳素含量在0.37-0.44之间,锰含量在0.50-0.80之间,铬含量在0.80-1.10之间。
它具有高强度和硬度,耐磨性好,适用于制造重载、高强度和高耐磨零部件。
三、20号钢20号钢是一种低碳钢,其化学成分包括:碳素含量在0.17-0.24之间,锰含量在0.35-0.65之间,硅含量在0.17-0.37之间。
它具有良好的焊接性能和切削加工性能,适用于制造焊接零部件和工程结构。
四、35号钢35号钢是一种中碳素结构钢,其化学成分主要包括:碳素含量在0.32-0.39之间,锰含量在0.50-0.80之间,硅含量在0.17-0.37之间。
它具有较高的强度和硬度,耐磨性和切削加工性能良好,适用于制造强度要求较高的零部件。
常见牌号钢的化学成分
常见牌号钢的化学成分一、SWRCH35K(一般常用于生产8.8级、8级,也有用10B21【10B21不宜用在大螺栓上】)碳C:0.32-0.38 硅Si:0.10-0.35 锰Mn:0.60-0.90硫S:允许残余含量≦0.035 磷P:允许残余含量≦0.030备注:8.8级相当于SAE Grade 5二、SCM435(一般用于常用于生产10.9级、12.9级)碳C:0.38-0.45 硅Si:0.17-0.37 锰Mn:0.50-0.80硫S:允许残余含量≦0.035 磷P:允许残余含量≦0.035铬Cr:0.90-1.20 镍Ni:允许残余含量≦0.030钼Mo:0.15-0.25 铜Cu:允许残余含量≦0.030备注:10.9级相当于SAE Grade 8;SCM435相当于国内的牌号35CrMo、42CrMo三、SUS304(一般常用于生产A2-70)碳C:≤0.07 硅Si:≤1.0 锰Mn:≤2.0硫S:允许残余含量≦0.030 磷P:允许残余含量≦0.035铬Cr:17.0~19.0 镍Ni:8.0~11.0304不锈钢中国牌号:0Cr18Ni9四、SUS316(一般常用于生产A4-80)碳C:≤0.08 硅Si:≤1.0 锰Mn:≤2.0硫S:允许残余含量≦0.030 磷P:允许残余含量≦0.035铬Cr:16.0~18.5 镍Ni:10.0~14.0钼Mo:2.0-3.0五、SWRCH22A(一般常用于生产自攻钉类)碳C:0.18-0.23 硅Si:≤0.10 锰Mn:0.70-1.00硫S:允许残余含量≦0.035 磷P:允许残余含量≦0.030铝Al:≤0.02六、SWRCH8A或SWRCH10A(一般常用于生产无等级要求的)碳C:0.08-0.13 硅Si:≤0.10 锰Mn:0.30-0.60硫S:允许残余含量≦0.035 磷P:允许残余含量≦0.030 铝Al:≤0.02七、Q235(一般常用于生产无性能等级要求的平垫圈类)Q235A级含C0.14~0.22% Mn0.30~0.65 Si≤0.30S≤0.050 P≤0.045 Q235B级含C0.12~0.20% Mn0.30~0.670 Si≤0.30S≤0.045 P≤0.045 Q235C级含C≤0.18% Mn0.35~0.80 Si≤0.30S≤0.040 P≤0.040 Q235D级含C≤0.17% Mn0.35~0.80 Si≤0.35 S≤0.040 P≤0.035八、65Mn(一般常用于垫垫,销、轴等类)碳C:0.62-0.70 硅Si:0.17-0.37 锰Mn:0.90-1.20 硫S:允许残余含量≦0.04 磷P:允许残余含量≦0.035 铬Cr:≦0.25 镍Ni:≦0.25 铜Cu:≦0.25备:以上资料仅供参考。
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一、结构钢牌号及化学成分1、普通碳素结构钢牌号及化学成分:CSiMnPSQ1950.06~0.120.12~0.300.25~0.50≤0.045≤0.050Q215A 0.09~0.150.12~0.300.25~0.55≤0.045≤0.050Q315B 0.09~0.150.12~0.300.25~0.55≤0.045≤0.045Q235A 0.14~0.220.12~0.300.30~0.65≤0.045≤0.050Q335B 0.12~0.200.12~0.300.30~0.70≤0.045≤0.045Q235C ≤0.180.12~0.300.35~0.80≤0.040≤0.040Q235D ≤0.170.12~0.300.35~0.80≤0.030≤0.030Q255A 0.18~0.280.12~0.300.40~0.70≤0.045≤0.050Q255B 0.18~0.280.12~0.300.40~0.70≤0.045≤0.045Q2750.28~0.380.15~0.350.5~0.80≤0.045≤0.050CSiMnP S Cr GB/T69908F 0.05~0.11≤0.030.25~0.500.0350.0350.1GB/T69910F 0.07~0.13≤0.070.25~0.500.0350.0350.15GB/T69915F 0.12~0.18≤0.070.25~0.500.0350.0350.25GB/T69980.05~0.110.17~0.370.35~0.650.0350.0350.1GB/T699100.07~0.130.17~0.370.35~0.650.0350.0350.15GB/T699150.12~0.180.17~0.370.35~0.650.0350.0350.25GB/T699200.17~0.230.17~0.370.35~0.650.0350.0350.25GB/T699250.22~0.290.17~0.370.50~0.800.0350.0350.25GB/T699300.27~0.340.17~0.370.50~0.800.0350.0350.25GB/T699350.32~0.390.17~0.370.50~0.800.0350.0350.25GB/T699400.37~0.440.17~0.370.50~0.800.0350.0350.252、优质碳素结构钢牌号及化学成分:钢牌号及化学成分执行标准牌号化学成分(%)执行标准牌号化学成分(%)GB700-1988GB/T699450.42~0.500.17~0.370.50~0.800.0350.0350.25GB/T699500.47~0.550.17~0.370.50~0.800.0350.0350.25GB/T699550.52~0.600.17~0.370.50~0.800.0350.0350.25GB/T699600.57~0.650.17~0.370.50~0.800.0350.0350.25GB/T699650.62~0.700.17~0.370.50~0.800.0350.0350.25GB/T699700.67~0.750.17~0.370.50~0.800.0350.0350.25GB/T699750.72~0.800.17~0.370.50~0.800.0350.0350.25GB/T699800.77~0.850.17~0.370.50~0.800.0350.0350.25GB/T699850.82~0.900.17~0.370.50~0.800.0350.035GB/T699Mn150.12~0.180.17~0.370.70~1.000.0350.035GB/T699Mn200.17~0.230.17~0.370.70~1.000.0350.035GB/T699Mn250.22~0.290.17~0.370.70~1.000.0350.0350.25GB/T699Mn300.27~0.340.17~0.370.70~1.000.0350.0350.25GB/T699Mn350.32~0.390.17~0.370.70~1.000.0350.0350.25GB/T699Mn400.37~0.440.17~0.370.70~1.000.0350.0350.25GB/T699Mn450.42~0.500.17~0.370.70~1.000.0350.0350.25GB/T699Mn500.48~0.560.17~0.370.70~1.000.0350.0350.25GB/T699Mn600.57~0.650.17~0.370.70~1.000.0350.0350.25GB/T699Mn650.62~0.700.17~0.370.90~1.200.0350.0350.25GB/T699Mn700.67~0.750.17~0.370.90~1.200.0350.0350.25C Si P S Cr≤GB/T1591Q295A 0.160.80~1.500.550.0450.045GB/T1591Q395B 0.160.80~1.500.550.040.04GB/T1591Q345A 0.20.10~1.600.550.0450.045GB/T1591Q345B 0.20.10~1.600.550.040.04GB/T1591Q345C 0.20.10~1.600.550.0350.035GB/T1591Q345D0.180.10~1.600.550.030.033、低合金高度结构钢号及化学成分:执行标准牌号化学成分(%)Mn ≤GB/T1591Q345E 0.180.10~1.600.550.0250.025GB/T1591Q345A 0.20.10~1.600.550.0450.0450.3GB/T1591Q390B 0.20.10~1.600.550.040.040.3GB/T1591Q390C 0.20.10~1.600.550.0350.0350.3GB/T1591Q390D 0.20.10~1.600.550.030.030.3GB/T1591Q390E 0.20.10~1.600.550.0250.0250.3GB/T1591Q420A 0.2 1.00~1.700.550.0450.045GB/T1591Q420B 0.2 1.00~1.700.550.040.04GB/T1591Q420C 0.2 1.00~1.700.550.0350.035GB/T1591Q420D 0.18 1.00~1.700.550.030.030.4GB/T1591Q420E 0.18 1.00~1.700.550.0250.0250.4GB/T1591Q460C 0.2 1.00~1.700.550.0350.0350.7GB/T1591Q460D 0.2 1.00~1.700.550.030.030.7GB/T1591Q460E 0.2 1.00~1.700.550.030.030.7(1)、锰合金机构钢牌号及化学成分:P S CrGB/T307720Mn20.17~0.240.17~0.37 1.40~1.800.0350.0350.3GB/T307730Mn20.27~0.340.17~0.37 1.40~1.800.0350.0350.3GB/T307735Mn20.32~0.390.17~0.37 1.40~1.800.0350.0350.3GB/T307740Mn20.37~0.440.17~0.37 1.40~1.800.0350.0350.3GB/T307745Mn20.42~0.490.17~0.37 1.40~1.800.0350.0350.3GB/T307750Mn20.47~0.550.17~0.37 1.40~1.800.0350.0350.3(2)、锰钒合金结构钢牌号及化学成分:GB/T1591Q345B 0.20.10~1.600.550.040.04GB/T1591Q345C 0.20.10~1.600.550.0350.035GB/T1591Q345D 0.180.10~1.600.550.030.03GB/T1591Q345E 0.180.10~1.600.550.0250.0254、合金机构钢牌号及化学成分执行标准牌号化学成分(%)CSi Mn ≤GB/T1591Q345A 0.20.10~1.600.550.0450.0450.3GB/T1591Q390B 0.20.10~1.600.550.040.040.3GB/T1591Q390C 0.20.10~1.600.550.0350.0350.3GB/T1591Q390D 0.20.10~1.600.550.030.030.3GB/T1591Q390E 0.20.10~1.600.550.0250.0250.3GB/T1591Q420A 0.2 1.00~1.700.550.0450.045GB/T1591Q420B 0.2 1.00~1.700.550.040.04GB/T1591Q420C 0.2 1.00~1.700.550.0350.035GB/T1591Q420D 0.18 1.00~1.700.550.030.030.4GB/T1591Q420E 0.18 1.00~1.700.550.0250.0250.4GB/T1591Q460C 0.2 1.00~1.700.550.0350.0350.7GB/T1591Q460D 0.2 1.00~1.700.550.030.030.7GB/T1591Q460E 0.2 1.00~1.700.550.030.030.7P S Cr GB/T307720Mn20.17~0.240.17~0.37 1.40~1.800.0350.0350.3GB/T307730Mn20.27~0.340.17~0.37 1.40~1.800.0350.0350.3GB/T307735Mn20.32~0.390.17~0.37 1.40~1.800.0350.0350.3GB/T307740Mn20.37~0.440.17~0.37 1.40~1.800.0350.0350.3GB/T307745Mn20.42~0.490.17~0.37 1.40~1.800.0350.0350.3GB/T307750Mn20.47~0.550.17~0.371.40~1.800.0350.0350.3Mn P SCr ≤GB/T307720MnV 1.70~0.24 1.70~0.371.30~1.600.0350.0350.3(2)、锰钒合金结构钢牌号及化学成分:(3)、硅锰合金结构钢牌号及化学成分执行标准牌号化学成分(%)CSi 4、合金机构钢牌号及化学成分执行标准牌号化学成分(%)(1)、锰合金机构钢牌号及化学成分:≤Mn Si CPSGB/T307727SiMn 0.24~0.32 1.10~1.40 1.10~1.400.0350.035GB/T307735SiMn 0.32~0.40 1.10~1.40 1.10~1.400.0350.035GB/T307742SiMn 0.39~0.45 1.10~1.401.10~1.400.0350.035MnP SCr ≤GB/T307720SiMn2MoV 0.17~0.230.90~1.20 2.20~2.600.0350.0350.3GB/T307825SiMn3MoV 0.22~0.280.90~1.20 2.20~2.600.0350.0350.3Mn P S Cr≤GB/T307740B 0.37~0.440.17~0.370.60~0.900.0350.0350.3GB/T307745B 0.42~0.490.17~0.370.60~0.900.0350.0350.3GB/T307750B 0.47~0.550.17~0.370.60~0.900.0350.0350.3Mn P S Cr≤GB/T307740MnB 0.37~0.440.17~0.37 1.10~1.400.0350.0350.3GB/T307745MnB 0.42~0.490.17~0.37 1.10~1.400.0350.0350.3Mn P S Cr≤(7)、锰钼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C Si(6)、锰硼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C SiGB/T3078 37SiMn3MoV 0.33~0.39 0.90~1.20 1.60~1.90 0.035 0.035 0.3 0.3 0.3 0.40~0.50 0.05~0.12(5)、硼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C Si(4)、硅锰钼矾合金结构钢牌号及化学成分执行标准牌号化学成分(%)CSi执行标准牌号化学成分(%)C Si Mn ≤GB/T307720MnMoB 0.16~0.220.17~0.370.60~0.900.0350.0350.3Mn P S Cr ≤GB/T307715MnVB 0.12~0.180.17~0.37 1.20~1.600.0350.0350.3GB/T307720MnVB 0.17~0.230.17~0.37 1.10~1.400.0350.0350.3GB/T307740MnVB 0.37~0.440.17~0.371.30~1.500.0350.0350.3Mn P S Cr ≤GB/T307720MnTiB 0.17~0.240.17~0.37 1.30~1.500.0350.0350.3GB/T307725MnTiBRE 0.22~0.280.20~0.451.30~1.600.0350.0350.3P SGB/T307715Cr 0.12~0.180.17~0.370.40~0.700.70~1.000.0350.035GB/T307715CrA 0.12~0.170.17~0.370.40~0.700.70~1.000.0250.025GB/T307720Cr 0.18~0.240.17~0.370.50~0.800.70~1.000.0350.035GB/T307730Cr 0.27~0.340.17~0.370.50~0.800.80~1.100.0350.035GB/T307735Cr 0.32~0.390.17~0.370.50~0.800.80~1.100.0350.035GB/T307740Cr 0.37~0.440.17~0.370.50~0.800.80~1.100.0350.035GB/T307745Cr 0.42~0.490.17~0.370.50~0.800.80~1.100.0350.035GB/T307750Cr 0.47~0.540.17~0.370.50~0.700.80~1.100.0350.035P≤(11)、铬硅合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr Mo(10)、钼铬金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr (9)、锰钛合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi (8)、锰矾硼合金机构钢牌号及化学成分:执行标准牌号化学成分(%)CSiGB/T307712CrMo 0.80~0.120.17~0.370.40~0.700.40~0.700.40~0.550.035GB/T307715CrMo 0.12~0.180.17~0.370.40~0.700.80~1.100.40~0.550.035GB/T307720CrMo 0.17~0.240.17~0.370.40~0.700.80~1.100.15~0.250.035GB/T307730CrMo 0.26~0.340.17~0.370.40~0.700.80~1.100.15~0.250.035GB/T307730CrMoA 0.26~0.330.17~0.370.40~0.700.80~1.100.15~0.250.025GB/T307735CrMo 0.32~0.400.17~0.370.40~0.700.80~1.100.15~0.250.035GB/T307742CrMo 0.38~0.450.17~0.370.50~0.800.90~1.200.15~0.250.035P S GB/T307742CrSi 0.35~0.43 1.00~1.300.30~0.601.30~1.600.0350.035P GB/T307712CrMoV 0.08~0.150.17~0.370.40~0.700.30~0.600.25~0.350.035GB/T307735CrMoV 0.30~0.380.17~0.370.40~0.70 1.00~1.300.20~0.300.035GB/T307712Cr1MoV 0.08~0.150.17~0.370.40~0.700.90~1.200.25~0.350.035GB/T307725Cr2MoVA 0.22~0.290.17~0.370.40~0.70 1.50~1.800.25~0.350.025GB/T307725Cr2Mo1VA 0.22~0.290.17~0.370.50~0.802.10~2.500.90~1.100.025P GB/T307738CrMoVA10.35~0.420.20~0.450.30~0.601.35~1.650.15~0.250.035PS≤(15)、铬矾合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr(14)、铬钼铝合金结构钢号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr Mo (13)、铬钼矾合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr Mo (12)、铬钼合金结构钢号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr ≤GB/T307740CrV 0.37~0.440.17~0.370.50~0.800.80~1.100.0350.035GB/T307750CrVA 0.47~0.540.17~0.370.50~0.800.80~1.100.0250.025P SGB/T307715CrMn 0.12~0.180.17~0.37 1.10~1.400.40~0.700.0350.035GB/T307720CrMn 0.17~0.230.17~0.370.90~1.200.90~1.200.0250.025GB/T307742CrMn 0.37~0.450.17~0.370.90~1.200.90~1.200.0350.035P SGB/T307720CrMnSi 0.17~0.230.90~1.200.80~1.100.80~1.100.0350.035GB/T307725CrMnSi 0.22~0.280.90~1.200.80~1.100.80~1.100.0350.035GB/T307730CrMnSi 0.27~0.340.90~1.200.80~1.100.80~1.100.0350.035GB/T307731CrMnSiA 0.28~0.340.90~1.200.80~1.100.80~1.100.0250.025GB/T307732CrMnSiA 0.32~0.39 1.10~1.400.80~1.101.10~1.400.0250.025P GB/T307720CrMoNo 0.17~0.230.17~0.370.90~1.20 1.10~1.400.20~0.300.035GB/T307740CrMoNo 0.37~0.440.17~0.370.90~1.200.90~1.200.20~0.300.035P GB/T307720CrNi 0.17~0.230.17~0.370.40~0.700.45~0.75 1.00~1.400.035GB/T307740CrNi0.37~0.440.17~0.370.50~0.800.45~0.751.00~1.400.035Cr Ni Cr Mo (19)、铬镍合金结构钢号及化学成分:执行标准牌号化学成分(%)C Si Mn ≤(18)、铬锰钼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn ≤(17)、铬锰硅合金结构钢号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr (16)、铬锰合金结构钢号及化学成分:执行标准牌号化学成分(%)CSi Mn CrGB/T307745CrNi0.42~0.490.17~0.370.50~0.800.45~0.75 1.00~1.400.035 GB/T307750CrNi0.47~0.540.17~0.370.50~0.800.45~0.75 1.00~1.400.035 GB/T307712CrNi20.10~0.170.17~0.370.30~0.600.60~0.90 1.50~1.900.035 GB/T307712CrNi30.10~0.170.17~0.370.30~0.600.60~0.90 2.75~3.150.035 GB/T307720CrNi30.17~0.240.17~0.370.30~0.600.60~0.90 2.75~3.150.035 GB/T307730CrNi30.27~0.330.17~0.370.30~0.600.60~0.90 2.75~3.150.035 GB/T307737CrNi30.34~0.410.17~0.370.30~0.60 1.20~1.60 3.00~3.500.035 GB/T307712CrNi40.10~0.160.17~0.370.30~0.60 1.25~1.65 3.25~3.650.035 GB/T307720CrNi40.17~0.230.17~0.370.30~0.60 1.25~1.65 3.25~3.650.035PGB/T307720CrMnTi0.17~0.230.17~0.370.80~1.10 1.00~1.300.04~0.100.035 GB/T307730CrMnTi0.24~0.320.17~0.370.80~1.10 1.00~1.300.04~0.100.035GB/T307720CrNiMo0.17~0.230.17~0.370.60~0.950.40~0.700.35~0.750.20~0.30 GB/T307721CrNiMoA0.37~0.440.17~0.370.50~0.800.60~0.90 1.25~1.650.15~0.25GB/T307718CrNiMnMoA0.15~0.210.17~0.37 1.10~1.40 1.00~1.30 1.00~1.300.20~0.30执行标准牌号化学成分(%)C Si Mn Cr Ni MoMn Cr Ni Mo(23)、铬镍钼矾合金结构钢牌号及化学成分:Cr Ni Mo(22)、铬镍锰钼合金结构钢牌号及化学成分:执行标准牌号化学成分(%)C SiCr Ti(21)、铬镍钼合金结构钢号及化学成分:执行标准牌号化学成分(%) C Si Mn(20)、铬锰钛合金结构钢号及化学成分:执行标准牌号化学成分(%) C Si MnGB/T307718CrNiMoVA 0.42~0.480.17~0.370.50~0.800.80~1.10 1.30~1.800.20~0.30GB/T307718Cr2Ni4WA 0.13~0.190.17~0.370.30~0.60 1.35~1.65 4.00~4.500.80~1.20GB/T307725Cr2Ni4WA 0.21~0.280.17~0.370.30~0.601.35~1.654.00~4.500.80~1.20GB/T521645H 0.42~0.500.17~0.370.50~0.85≤0.25≤0.30GB/T521615CrH 0.12~0.180.17~0.370.55~0.900.85~1.25≤0.30GB/T521620CrH 0.17~0.230.17~0.370.50~0.850.70~1.10≤0.30GB/T521620CrLH 0.17~0.230.17~0.370.55~0.900.85~1.25≤0.30GB/T521640CrH 0.37~0.440.17~0.370.50~0.850.70~1.10≤0.30GB/T521620CrH 0.42~0.490.17~0.370.50~0.850.70~1.10≤0.30GB/T521616CrMnH 0.14~0.19≤0.37 1.00~1.300.80~1.10≤0.30GB/T521620CrMnH 0.17~0.22≤0.37 1.10~1.40 1.00~1.30≤0.30GB/T521615CrMnBh 0.13~0.180.17~0.37 1.00~1.300.80~1.10≤0.30GB/T521617CrMnBh 0.15~0.200.17~0.37 1.00~1.30 1.00~1.35≤0.30GB/T521640MnBH 0.37~0.440.17~0.37 1.00~1.40≤0.30≤0.30GB/T521645MnBH 0.42~0.490.17~0.37 1.00~1.40≤0.30≤0.30GB/T521620MnVBH 0.17~0.230.17~0.37 1.05~1.45≤0.30≤0.30V=0.07~0.12GB/T521620MnTiBH 0.17~0.230.17~0.37 1.20~1.55≤0.30≤0.30Ti=0.04~0.10GB/T521615CrMoH 0.12~0.180.17~0.370.55~0.900.85~1.25≤0.30Mo=0.15~0.25GB/T521620CrMoH 0.17~0.230.17~0.37 1.10~1.480.85~1.25≤0.30Mo=0.15~0.25GB/T521622CrMoH 0.19~0.250.17~0.37 1.10~1.490.85~1.25≤0.30Mo=0.35~0.45GB/T521644CrMoH 0.37~0.440.17~0.37 1.10~1.500.85~1.25≤0.30Mo=0.15~0.25GB/T521620CrMnMoH0.17~0.230.17~0.371.10~1.511.05~1.40≤0.30Mo=0.20~0.305、保证淬透性结构钢(H钢)牌号及化学成分:执行标准牌号化学成分(%)C W Si Mn Cr Ni Mo、Ti、V(24)、铬镍钨合金结构钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr NiGB/T521620CrMnTiH 0.17~0.230.17~0.37 1.10~1.52 1.00~1.35≤0.30Ti=0.04~0.10GB/T521647CrNi3H 0.17~0.230.17~0.37 1.10~1.530.60~0.95 2.70~3.25GB/T521647Cr2Ni4H 0.10~0.170.17~0.37 1.10~1.54 1.20~1.75 3.20~3.75GB/T521620CrNiMoH 0.17~0.230.17~0.37 1.10~1.550.35~0.650.35~0.75Mo=0.15~0.25GB/T521620CrNi2MoH0.17~0.230.17~0.37 1.10~1.560.35~0.65 1.55~2.00Mo=0.20~0.306、易切削结构钢牌号及化学成分:C SiMn PSPbGB/T8731Y120.08~0.160.15~0.350.70~1.000.08~0.150.10~0.20GB/T8731Y12Pb 0.08~0.16≤0.150.70~1.000.05~0.100.15~0.250.15~0.35GB/T8731Y150.10~0.18≤0.150.80~1.200.05~0.100.23~0.33GB/T8731Y15pb 0.10~0.19≤0.150.80~1.200.05~0.100.23~0.330.15~0.35GB/T8731Y200.17~0.250.15~0.350.70~1.00≤0.0600.08~0.15GB/T8731Y300.27~0.350.15~0.350.70~1.00≤0.0600.08~0.15GB/T8731Y350.32~0.400.15~0.350.70~1.00≤0.0600.08~0.15GB/T8731Y40Mn 0.37~0.450.15~0.35 1.20~1.55≤0.0500.20~0.30GB/T8731Y45Ca 0.42~0.500.20~0.400.60~0.90≤0.900.04~0.08Ca=0.15~0.357、冷墩和冷压用钢牌号及化学成分:(1)、非热处理型冷墩和冷挤压用钢牌号及化学成分:Si P SCu ≤GB/T6478ML04ML ≤0.060.10.20~0.400.0350.0350.20GB/T6478ML08AL 0.05~0.100.10.30~0.600.0350.0350.20GB/T6478ML10AL 0.08~0.130.10.30~0.600.0350.0350.20GB/T6478ML15AL 0.13~0.180.10.30~0.600.0350.0350.20GB/T6478ML15AL 0.13~0.180.15~0.350.30~0.600.0350.0350.20GB/T6478ML20AL 0.18~0.230.10.30~0.600.0350.0350.20GB/T6478ML200.18~0.230.15~0.350.30~0.600.0350.0350.20(2)、表面硬化型冷墩和冷挤压用钢牌号及化学成分:执行标准牌号化学成分(%)执行标准牌号化学成分(%)CMn≤Si P SCu ≤GB/T6478ML18Mn 0.15~0.200.10.60~0.900.0350.0350.20GB/T6478ML22Mn 0.18~0.230.10.70~1.000.0350.0350.20GB/T6478ML20Cr 0.17~0.230.30.60~0.900.0350.0350.20(3)、调质型冷镦和冷挤压用钢牌号及化学成分:GB/T6478ML250.22~0.29≤0.200.30~0.60≤0.20GB/T6478ML300.27~0.34≤0.200.30~0.60≤0.20GB/T6478ML350.32~0.39≤0.200.30~0.60≤0.20GB/T6478ML400.37~0.44≤0.200.30~0.60≤0.20GB/T6478ML450.42~0.50≤0.200.30~0.60≤0.20GB/T6478ML15Mn 0.14~0.200.20~0.400.20~0.40≤0.20GB/T6478ML25Mn 0.22~0.29≤0.250.60~0.90≤0.20GB/T6478ML30Mn 0.27~0.34≤0.250.60~0.90≤0.20GB/T6478ML35Mn 0.32~0.39≤0.250.60~0.90≤0.20GB/T6478ML37Cr 0.34~0.41≤0.300.60~0.900.90~1.20GB/T6478ML40Cr 0.38~0.45≤0.300.60~0.900.90~1.20GB/T6478ML30CrMo 0.26~0.34≤0.300.60~0.900.15~0.250.80~1.10GB/T6478ML35CrMo 0.32~0.40≤0.300.60~0.900.15~0.250.80~1.10GB/T6478ML42CrMo 0.38~0.45≤0.300.60~0.900.15~0.250.90~1.20GB/T6478ML20B 0.17~0.24≤0.400.50~0.800.0005~0.0035≤0.20GB/T6478ML28B 0.25~0.32≤0.400.60~0.900.0005~0.0035≤0.20GB/T6478ML35B 0.32~0.39≤0.400.50~0.800.0005~0.0035≤0.20GB/T6478ML15MnB 0.14~0.20≤0.40 1.20~1.600.0005~0.0035≤0.20GB/T6478ML20MnB 0.17~0.24≤0.400.80~1.200.0005~0.0035≤0.20GB/T6478ML35MnB0.32~0.39≤0.401.10~1.400.0005~0.0035≤0.20执行标准牌号化学成分(%)CSiMnMo.Ti.VBCr 执行标准牌号化学成分(%)CMn≤GB/T6478ML37CrB 0.34~0.41≤0.400.50~0.800.0005~0.00350.20~0.40GB/T6478ML20MnTiB 0.19~0.24≤0.30 1.30~1.600.04~0.100.0005~0.0035≤0.20GB/T6478ML15VMnB 0.13~0.18≤0.30 1.20~1.600.07~0.120.0005~0.0035≤0.20GB/T6478ML20VMnB 0.19~0.24≤0.30 1.20~1.600.07~0.120.0005~0.0035≤0.208、高耐侯结构钢牌号及化学成分表:化学成分(%)C Si Mn PS Cr≤≤GB/T4171Q295GNH 0.25~0.500.20~0.400.20~0.600.07~0.150.035GB/T4171Q295GNHL 0.120.10~0.400.20~0.500.07~0.120.0350.30~0.65GB/T4171Q345GNH 0.120.20~0.600.50~0.900.07~0.120.035GB/T4171Q345GNHL 0.120.25~0.750.20~0.500.07~0.120.0350.30~1.25GB/T4171Q390GH 0.120.15~0.65≤1.40≤0.0350.0350.45~0.759、焊接结构用耐钢牌号及化学成分类:CSiMnP S Cr GB/T4172Q235NH ≤0.150.15~0.400.20~0.600.0350.0350.40~0.80GB/T4172Q295NH ≤0.150.15~0.50 1.00~1.600.0350.0350.40~0.80GB/T4172Q355NH ≤0.16≤0.500.90~1.000.0350.0350.40~0.80GB/T4172Q460NH0.10~0.18≤0.500.90~1.000.0350.0350.40~0.80PS CrGB/T122265钢0.62~0.700.17~0.370.50~0.800.0350.0350.25GB/T122270钢0.62~0.750.17~0.370.50~0.800.0350.0350.25GB/T122285钢0.82~0.900.17~0.370.50~0.800.0350.0350.25GB/T122265Mn 0.62~0.700.17~0.370.90~1.20.0350.0350.25(2)、合金弹簧钢牌号及化学成分:10、弹簧钢牌号及化学成分表:(1)、优质碳素弹簧钢号及化学成分表:执行标准牌号化学成分(%)CSi Mn≤执行标准牌号执行标准牌号化学成分(%)GB/T122255Si2Mn 0.52~0.60 1.50~2.000.60~0.90≤0.35GB/T122255si2MnB 0.52~0.60 1.50~2.000.60~0.900.0005~0.004≤0.35GB/T122255siMnVB 0.52~0.600.70~1.00 1.00~1.300.08~0.100.0005~0.0035≤0.35GB/T122260si2Mn 0.56~0.64 1.50~2.000.60~0.90≤0.35GB/T122260si2MnA 0.56~0.64 1.60~2.000.60~0.90≤0.30GB/T122260si2CrA 0.56~0.64 1.40~1.800.40~0.600.70~1.00GB/T122260si2CrVA 0.56~0.64 1.40~1.800.40~0.600.10~0.200.90~1.20GB/T122255CrMnA 0.50~0.600.17~0.370.65~0.950.65~0.95GB/T122260CrMnA 0.56~0.640.17~0.370.70~1.000.70~1.00GB/T122260CrMnMoA 0.56~0.640.17~0.370.70~1.000.25~0.350.70~0.90GB/T122250CrVA 0.46~0.640.17~0.370.50~0.800.10~0.200.80~1.10GB/T122260CrMnBA 0.56~0.640.17~0.370.70~1.000.0005~0.0040.70~1.00GB/T122230W4Cr2VA 0.26~0.340.17~0.37≤0.400.50~0.804.00~4.50 2.00~2.5011、高碳铬轴承钢牌号及化学成分表:GB/T18254GCr40.95~1.050.15~0.300.15~0.30≤0.080.35~0.500.025GB/T18255GCrl50.95~1.050.15~0.350.25~0.45≤0.10 1.40~1.500.025GB/T18256GCrl5SiMn 0.95~1.050.45~0.750.95~1.25≤0.10 1.40~1.650.025GB/T18257GCrl5SiMn 0.95~1.050.65~0.850.20~0.400.30~0.40 1.40~1.700.027GB/T18258GCrl8Mo 0.95~1.050.20~0.400.25~0.400.15~0.251.65~1.950.025二、不绣钢、耐热钢牌号及化学成分:1、不绣钢牌号及化学成分:(1)、奥氏体不绣钢牌号及化学成分:执行标准牌号执行标准牌号化学成分(%)C Si MnMo Cr P 执行标准牌号化学成分(%)CSi MnVW、Mo、BCrCSiMn P SGB/T12201Cr17Mn6Ni5N 0.1515.50~0.060.0316.00~18.007.5GB/T12201Cr18Mn8Ni5N 0.15 1.007.50~10.000.060.0317.00~19.00GB/T12201Cr18Mn10Ni5Mo30.1 1.008.50~12.000.060.0317.00~19.00GB/T12201Cr17Ni70.15 1.00 2.000.0350.0316.00~18.00GB/T12201Ce18Ni90.15 1.00 2.000.0350.0317.00~19.00GB/T1220Y1Cr18Ni90.15 1.00 2.000.2 ≥0.1517.00~19.00GB/T1220Y1Cr18Ni9Se 0.15 1.00 2.000.20.0617.00~19.00GB/T12200Cr18Ni90.07 1.00 2.000.0350.0317.00~19.00GB/T122000Cr19Ni100.03 1.00 2.000.0350.0318.00~20.00GB/T12200Cr19Ni9N 0.08 1.00 2.000.0350.03518.00~20.00GB/T12200Cr19Ni10NbN 0.08 1.00 2.000.0350.0318.00~20.00GB/T122000Cr18Ni10N 0.03 1.00 2.000.0350.0317.00~29.00GB/T12201Cr18Ni120.12 1.00 2.000.0350.0317.00~19.00GB/T12200Cr23Ni130.08 1.00 2.000.0350.0322.00~24.00GB/T12200Cr25Ni200.08 1.00 2.000.0350.0324.00~26.00GB/T12200Cr17Ni12Mo20.08 1.00 2.000.0350.0316.00~18.50GB/T12201Cr17Ni12Mo2Ti 0.12 1.00 2.000.0350.0316.00~19.00GB/T12200Cr17Ni12Mo2Ti 0.08 1.00 2.000.0350.0316.00~19.00GB/T122000Cr17Ni14Mo20.03 1.00 2.000.0350.0316.00~18.00GB/T12200Cr17Ni12Mo2N 0.08 1.00 2.000.0350.0316.00~18.00GB/T12200Cr17Ni13Mo2N 0.03 1.00 2.000.0350.0316.00~18.00GB/T12200Cr18Ci12Mo2Cu20.08 1.00 2.000.0350.0317.00~19.00GB/T122000Crl8Ni4Mo2Cu20.03 1.00 2.000.0350.0317.00~19.00GB/T12200Cr19Ni13Mo30.08 1.00 2.000.0350.0318.00~20.00GB/T122000Cr19Ni13Mo30.03 1.00 2.000.0350.0318.00~20.00GB/T12201Crl8Nil2Mo3Ti 0.12 1.00 2.000.0350.0316.00~19.00GB/T12200Cr18Ni12Mo3Ti0.081.002.000.0350.0316.00~19.00≤执行标准牌号CrGB/T12200Cr18Ni12Mo50.04 1.00 2.000.0350.0316.00~19.00GB/T12201Crl8Ni9Ti 0.12 1.00 2.000.0350.0317.00~19.00GB/T12200Cr18Ni10Ti 0.08 1.00 2.000.0350.0317.00~19.00GB/T12200Crl8NillNb 0.08 1.00 2.000.0350.0317.00~19.00GB/T12200Crl8Ni9Cu30.08 1.00 2.000.0350.0317.00~19.00GB/T12200Crl8Ni13Si40.083.00~5.00 2.000.0350.0315.00~20.00(2)、奥氏体——铁素体不锈钢牌号及化学成分:CSi MnP S GB/T12200Cr26NiMo20.08 1.00 1.500.0350.0323.00~28.00GB/T12201Cr18NillSi4AlTi 0.10~0.18 3.40~4.000.800.0350.0317.50~19.50GB/T122000Cr18Ni5Mo3Si20.03 2.00 1.00~2.000.0350.0318.00~19.00(3)铁素体不锈钢牌号及化学成分:CSi Mn P S GB/T12200Cr13AL 0.08 1.00 1.000.0350.0311.50~14.50GB/T122000Cr120.03 1.00 1.000.0350.0311.00~13.00GB/T12201Cr170.120.75 1.000.0350.0316.00~18.00GB/T1220Y1Cr170.12 1.00 1.250.06≥0.1516.00~18.00GB/T12201Cr17Mo 0.12 1.00 1.000.0350.0316.00~18.00GB/T122000Cr30Mo20.100.400.400.030.0228.50~32.00GB/T122000Cr27Mo 0.100.400.400.030.0225.00~27.50(4)、马氏体不锈钢钢牌号及化学成分:执行标准牌号CSi Mn P S GB/T1220GB/T12201Cr120.150.51.000.0350.0311.50~13.00GB/T12201Cr130.151.001.000.0350.0311.50~13.50化学成分(%)Cr执行标准牌号化学成分(%)Cr ≤执行标准牌号化学成分(%)Cr≤GB/T12200Cr130.08 1.00 1.000.0350.0311.50~13.50GB/T1220Y1Cr130.15 1.00 1.250.06≥0.1512.00~14.00GB/T12201Cr13Mo 0.08~0.180.6 1.000.0350.0311.50~14.00GB/T12202Cr130.16~0.25 1.00 1.000.0350.0312.00~14.00GB/T12203Cr130.26~0.35 1.00 1.000.0350.0312.00~14.00GB/T1220Y3Cr130.26~0.40 1.00 1.250.06≥0.1512.00~14.00GB/T12203Cr13Mo 0.28~0.350.8 1.000.0350.0312.00~14.00GB/T12204Cr130.36~0.450.60.800.0350.03≤0.60GB/T12201Cr17Ni20.11~0.170.80.800.0350.03 1.50~2.50GB/T12207Cr170.60~0.75 1.00 1.000.0350.03≤0.60GB/T12208Cr170.75~0.95 1.00 1.000.0350.03≤0.60GB/T12209Cr180.90~1.000.8 1.250.0350.03≤0.60GB/T122011Cr170.95~1.20 1.00 1.000.0350.03≤0.60GB/T1220Y11Cr170.95~1.20 1.00 1.000.035≥0.15≤0.60GB/T12209Cr18Mo 0.95~1.100.80.80.0350.03≤0.60GB/T12209Cr18MoV 0.85~0.950.80.80.0350.04≤0.60(4)沉淀硬化型不锈钢牌号及化学成分:CSiMn PS GB/T12200Cr17Ni4Cu4nb 0.07 1.00 1.000.0350.0315.50~17.50GB/T12200Cr17Ni7Al 0.09 1.00 1.000.0350.0316.00~18.00GB/T12200Cr15Ni7Mo2Al 0.091.001.000.0350.0314.00~16.002、耐热钢牌号及化学成分:(1)、奥氏体不绣钢牌号及化学成分:P SGB/T12215Cr21Mn9Ni4N 0.48~0.580.358.00~1.000.040.03020.00~22.00GB/T12212Cr21Ni12N0.15~0.280.75~1.251.00~1.600.0350.03020.00~22.00C≤执行标准牌号化学成分(%)执行标准牌号化学成分(%)Cr≤Si Mn CrGB/T12212Cr23Ni12N 0.20 1.00 2.000.0350.03022.00~24.00GB/T12212Cr25Ni200.25 1.50 2.000.0350.03024.00~26.00GB/T12211Cr16Ni350.15 1.50 2.000.0350.03014.00~17.00GB/T12210Cr15Ni25Ti2MoAlVB 0.08 1.00 2.000.0350.03013.50~16.00GB/T12210r18Ni90.07 1.00 2.000.0350.03017.00~19.00GB/T12210Cr23Ni130.08 1.00 2.000.0350.03022.00~24.00GB/T12210Cr25Ni200.08 1.50 2.000.0350.03024.00~26.00GB/T12210Cr17Ni12Mo20.08 1.00 2.000.0350.03016.00~18.00GB/T12214Cr14Ni14W2mo 0.40~0.500.80.70.0350.03013.00~15.00GB/T12213Cr18Mn12Si2N 0.22~0.30 1.40~2.2010.50~12.500.060.03017.00~19.00GB/T12212Cr20Mn19Ni2SiN 0.17~0.26 1.80~2.708.50~11.000.060.03018.00~21.00GB/T12210Cr19Ni13Mo30.08 1.00 2.000.0350.03018.00~20.00GB/T12211Cr18Ni9Ti 0.12 1.00 2.000.0350.03017.00~19.00GB/T12210Cr18Ni10Ti 0.08 1.00 2.000.0350.03017.00~19.00GB/T12210Cr18Ni11Nb 0.08 1.00 2.000.0350.03017.00~19.00GB/T12210Cr18Ni13Si40.08 3.00~5.00 2.000.0350.03015.00~20.00GB/T12211Cr20Ni14Si20.20 1.50~2.50 1.500.0350.03019.00~22.001Cr25Ni20Si20.201.50~2.50 1.500.0350.03024.00~27.00CSi Mn P S N GB/T12212Cr25N 0.2 1.00 1.50.040.030.25GB/T12210Cr120.08 1.00 1.000.040.03GB/T122100Cr120.03 1.00 1.000.040.03GB/T12211Cr170.120.75 1.000.040.03CSi Mn PS(3)、马氏体型耐热钢牌号及化学成分:执行标准牌号化学成分(%)Cr(2)、铁素体型耐热钢牌号及化学成分:执行标准牌号化学成分(%)GB/T12211Cr5Mo GB/T12214Cr9Si20.150.50.60.0350.03GB/T12214Cr10Si2Mo 0.35~0.50 2.00~3.000.70.0350.03 4.00~6.00GB/T12218Cr20Si2Ni 0.35~0.50 1.90~2.600.70.0350.038.00~10.00GB/T12211Cr11MoV 0.75~0.85 1.75~2.250.20~0.600.0350.039.00~10.50GB/T12211Cr12Mo 0.11~0.180.50.60.0350.0319.00~20.50GB/T12212Cr12MoVBbN 0.10~0.150.50.30~0.500.0350.0310.00~11.50GB/T12211Cr12WMoV 0.15~0.200.50.50~1.000.0350.0311.50~13.00GB/T12212Cr12NiMoWV 0.12~0.180.50.50~0.700.0350.0310.00~13.00GB/T12211Cr130.20~0.250.50.50~1.000.0350.0311.00~13.00GB/T12211Cr13Mo 0.15 1.00 1.000.0350.0311.00~12.00GB/T12212Cr130.08~0.180.60 1.000.0350.0311.50~13.50GB/T12211Cr17Ni120.16~0.25 1.00 1.000.0350.0312.00~14.00GB/T12211Cr11Ni2W2MoV 0.11~0.170.80.80.0350.0316.00~18.00GB/T12211Cr11Ni2W2MoV 0.10~0.160.60.60.0350.0310.50~12.00CSi Mn PS GB/T12210Cr17Ni4Cu4Nb 0.07 1.00 1.000.0350.0315.50~17.50GB/T12210Cr17Ni7Al 0.09 1.001.000.0350.0316.00~18.001、碳素工具钢牌号及化学成分:化学成分(%)CSi MnP S Cr≤GB/T1298T70.65~0.74≤0.35≤0.400.0350.0300.25GB/T1298T80.75~0.84≤0.35≤0.400.0350.0300.25GB/T1298T8Mn 0.80~0.90≤0.350.40~0.600.0350.0300.25GB/T1298T90.85~0.94≤0.35≤0.400.0350.0300.25三、工具钢牌号及化学成分:执行标准牌号≤≤(4)、沉淀硬化物型耐热刚号及化学成分:执行标准牌号化学成分(%)Cr ≤CrGB/T1298T100.95~1.04≤0.35≤0.400.0350.0300.25GB/T1298T11 1.05~1.14≤0.35≤0.400.0350.0300.25GB/T1298T12 1.15~1.24≤0.35≤0.400.0350.0300.25GB/T1298T13 1.15~1.35≤0.35≤0.400.0350.0300.25P GB/T12999SiCr 0.85~0.95 1.20~1.600.30~0.600.95~1.250.030GB/T12998MnSi 0.75~0.850.30~0.600.60~0.800.030GB/T1299Cr06 1.30~1.45≤0.40≤0.400.50~0.700.030GB/T1299Cr20.95~1.10≤0.40≤0.40 1.30~1.650.030GB/T12999Cr20.80~0.95≤0.40≤0.40 1.30~1.700.030GB/T1299W 1.05~1.25≤0.40≤0.400.10~0.300.80~1.200.030GB/T12994CrW2Si 0.35~0.450.80~1.10≤0.40 1.00~1.30 2.00~2.50GB/T12995CrW2Si 0.45~0.550.50~0.80≤0.40 1.00~1.30 2.00~2.50GB/T12996CrW2Si 0.55~0.650.50~0.80≤0.40 1.00~1.30 2.20~2.70GB/T12996CrMnSi2MolV 0.50~0.65 1.75~2.250.60~1.000.10~0.500.20~1.350.15~0.35GB/T12995Cr3Mn1SiMo1V 0.45~0.550.20~1.000.20~0.903.00~1.801.30~1.80≤0.35GB/T1299Cr12 2.00~2.30≤0.40≤0.4011.50~13.00GB/T1299Cr12Mo1V11.40~1.60≤0.40≤0.6011.00~13.000.50~1.10WV V(3)、冷作模具钢牌号及化学成分:执行标准牌号化学成分(%)C Si Mn Cr (2)、耐冲击工具钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr W.Mo 2、合金工具钢牌号及化学成分:(1)、量具刃具用钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr WGB/T1299Cr12MoV 1.45~1.70≤0.40≤0.4011.50~13.00GB/T1299Cr5Mo1V 0.95~1.05≤0.40≤0.50 4.75~5.500.15~0.50GB/T12999Mn2V 0.85~0.95≤0.40 1.70~2.000.10~0.20GB/T1299CrWMn 0.90~1.05≤0.400.80~1.100.90~1.20 1.20~1.60GB/T12999CrWMn 0.85~0.90≤0.400.90~1.200.50~0.800.50~10.80GB/T1299Cr4W2MoV 1.12~1.250.40~0.70≤0.40 3.50~4.00 1.90~2.600.80~1.10GB/T12996Cr4W3Mo2VNb 0.60~0.70≤0.40≤0.40 3.80~4.40 2.50~3.500.80~1.20GB/T12996W6Mo5Cr4V 0.55~0.65≤0.40≤0.60 3.70~4.30 6.00~7.000.70~1.10GB/T12997CrSiMnMoV 0.65~0.750.85~1.150.65~1.050.90~1.200.15~0.30GB/T12995CrMnMo 0.50~0.600.25~0.60 1.20~1.600.60~0.90GB/T12995CrNiMo 0.50~0.60≤0.400.50~0.800.50~0.80GB/T12993Cr2W8V 0.30~0.40≤0.40≤0.60 2.20~2.707.50~9.000.20~0.50GB/T12995Cr4Mo3SiMnVAl 0.47~0.570.80~1.100.80~1.10 3.80~4.300.80~1.20GB/T12993Cr3Mo3W2V 0.32~0.420.60~0.90≤0.65 2.80~3.30 1.20~1.800.80~1.20GB/T12995Cr4W5Mo2V 0.40~0.50≤0.40≤0.60 3.40~4.40 4.50~5.300.70~1.10GB/T12998Cr30.75~0.85≤0.40≤0.60 3.20~3.80GB/T12994CrMnSiMov 0.35~0.450.80~1.100.80~1.10 1.30~1.500.20~0.40GB/T12994Cr3Mo3SiV 0.35~0.450.80~1.100.25~0.70 3.00~3.750.25~0.75GB/T12994Cr5MoSiV 0.33~0.430.80~1.200.20~0.50 4.75~5.500.30~0.60GB/T12994Cr5MoSiV10.32~0.420.80~1.200.20~0.50 4.75~5.500.80~1.20GB/T12994Cr5W2VSi 0.32~0.420.80~1.20≤0.404.75~5.501.60~2.400.60~1.00执行标准牌号化学成分(%)C Si Mn Cr W V(5)、无磁模具钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn (4)、热作模具钢牌号及化学成分:Cr W VGB/T12997Mn15Cr2Al3V2WMo 0.65~0.75≤0.8014.5~16.5 2.00~2.500.50~0.80 1.50~2.00GB/T12993Cr2Mo 0.28~0.400.20~0.800.60~1.00 1.40~2.000.30~0.55≤0.25GB/T12993Cr2NiMo 0.32~0.400.20~0.400.60~0.801.70~2.000.25~0.400.85~1.153、高速工具钢牌号及化学成分:(1)、钨系工具钢牌号及化学成分:PS NiGB/T9943W18Cr4V 0.70~0.800.20~0.400.10~0.400.0300.0300.03GB/T9943W18Cr4VCo50.70~0.800.20~0.400.10~0.400.0300.0300.03GB/T9943W18Cr4V2Co80.75~0.850.20~0.400.20~0.400.0300.0300.03GB/T9943W12Cr4V5Co5 1.50~1.600.15~0.400.15~0.400.0300.0300.03(2)、钼系高速工具钢牌号及化学成分:PSNiGB/T9943W6Mo5Cr4V20.80~0.900.20~0.450.15~0.400.0300.0300.3GB/T9943CW6Mo5Cr4V20.95~1.050.20~0.450.15~0.400.0300.0300.3GB/T9943W6Mo5Cr4V3 1.00~1.100.20~0.450.15~0.400.0300.0300.3GB/T9943CW6Mo5Cr4V3 1.15~1.250.20~0.400.15~0.400.0300.0300.3GB/T9943W2Mo9Cr4V20.97~1.050.20~0.550.15~0.400.0300.0300.3GB/T9943W6Mo5Cr4V2Co50.80~0.900.20~0.450.15~0.400.0300.0300.3GB/T9943W7Mo4Cr4V2Co5 1.05~1.150.15~0.300.15~0.400.0300.0300.3GB/T9943W2Mo9Cr4VCo8 1.05~1.150.15~0.650.15~0.400.0300.0300.3GB/T9943W6Mo3Cr4V 0.77~0.870.20~0.400.15~0.400.0300.0300.3GB/T9943W6Mp5Cr4V2Al1.05~1.200.20~0.600.15~0.400.0300.0300.3≤执行标准牌号化学成分(%)C Si Mn 执行标准牌号化学成分(%)CSi Mn (6)、高速工具钢牌号及化学成分:执行标准牌号化学成分(%)CSi Mn Cr Mo Ni。